Table 4. Open in new tab Physical...

Name	Cluster	S/N	Type	T_eff	log g	M_g	E(B − V)	d	M_WD	τ_WD	δτ_WD
VPHAS J0804−2809	NGC 2527	20	DA	18 160 ± 260	8.24 ± 0.05	\|$11.27_{-0.07}^{+0.09}$\|	0.05 ± 0.07	630 ± 77	\|$0.77_{-0.03}^{+0.03}$\|	\|$0.185_{-0.016}^{+0.016}$\|	0.12
VPHAS J0815−3625	BH 23	28	DA	31 870 ± 210	8.04 ± 0.04	\|$9.79_{-0.06}^{+0.06}$\|	0.12 ± 0.03	734 ± 40	\|$0.68_{-0.02}^{+0.02}$\|	\|$0.011_{-0.002}^{+0.002}$\|	0.10
VPHAS J0900−4556	Platais 9	23	DB	19 040 ± 450	8.13 ± 0.10	\|$10.94_{-0.14}^{+0.14}$\|	0.01 ± 0.05	615 ± 59	\|$0.70_{-0.06}^{+0.06}$\|	\|$0.130_{-0.029}^{+0.029}$\|	0.11
VPHAS J1018−5752	ASCC 59	10	DA	17 430 ± 390	7.79 ± 0.08	\|$10.66_{-0.12}^{+0.13}$\|	0.00 ± 0.04	1066 ± 86	\|$0.52_{-0.04}^{+0.04}$\|	\|$0.095_{-0.010}^{+0.010}$\|	0.00
VPHAS J1021−5732	ASCC 59	27	DA	30 110 ± 160	8.56 ± 0.03	\|$10.79_{-0.05}^{+0.05}$\|	0.28 ± 0.04	382 ± 27	\|$0.98_{-0.02}^{+0.02}$\|	\|$0.059_{-0.006}^{+0.006}$\|	0.10
VPHAS J1025−5841	Loden 143	21	DA	13 280 ± 240	8.44 ± 0.04	\|$12.23_{-0.07}^{+0.07}$\|	0.12 ± 0.04	263 ± 19	\|$0.89_{-0.03}^{+0.03}$\|	\|$0.580_{-0.028}^{+0.028}$\|	0.04
VPHAS J1029−5855	Loden 143	14	DAH	^a35 000 ± 5000	8.00 ± 0.25	\|$9.52_{-0.46}^{+0.46}$\|		1326 ± 214	\|$0.66_{-0.11}^{+0.15}$\|	\|$0.006_{-0.002}^{+0.009}$\|	−0.12
VPHAS J1030−5900	Loden 143	22	DA	19 780 ± 250	8.04 ± 0.04	\|$10.81_{-0.06}^{+0.06}$\|	0.07 ± 0.04	565 ± 41	\|$0.65_{-0.02}^{+0.02}$\|	\|$0.084_{-0.011}^{+0.011}$\|	0.00
VPHAS J1103−5837	NGC 3532	19	DA	23 910 ± 360	8.87 ± 0.05	\|$11.89_{-0.11}^{+0.11}$\|	0.13 ± 0.07	433 ± 54	\|$1.13_{-0.03}^{+0.03}$\|	\|$^{b}0.270_{-0.025}^{+0.034}$\|
VPHAS J1104−5830	NGC 3532	8	DC	^a29 500 ± 300	8.00 ± 0.25	\|$9.90_{-0.44}^{+0.44}$\|		1174 ± 174	\|$0.64_{-0.11}^{+0.15}$\|	\|$0.011_{-0.003}^{+0.021}$\|	−0.19
VPHAS J1105−5842	NGC 3532	15	DA	14 230 ± 1160	8.16 ± 0.10	\|$11.64_{-0.16}^{+0.17}$\|	0.06 ± 0.04	363 ± 36	\|$0.71_{-0.06}^{+0.06}$\|	\|$0.323_{-0.066}^{+0.086}$\|	0.11
VPHAS J1337−6121	Platais 10	14	DA	24 100 ± 530	8.01 ± 0.08	\|$10.37_{-0.13}^{+0.13}$\|	0.20 ± 0.05	709 ± 67	\|$0.64_{-0.04}^{+0.05}$\|	\|$0.032_{-0.005}^{+0.013}$\|	0.00
VPHAS J1344−6134	Platais 10	10	DA	49 670 ± 2520	7.92 ± 0.19	\|$8.87_{-0.37}^{+0.37}$\|	0.39 ± 0.06	1202 ± 169	\|$0.66_{-0.08}^{+0.09}$\|	0.002	−0.81
VPHAS J1546−5233	Johansson 1	12	DA	20 440 ± 550	7.98 ± 0.09	\|$10.65_{-0.15}^{+0.15}$\|	0.12 ± 0.11	1052 ± 204	\|$0.62_{-0.04}^{+0.05}$\|	\|$0.063_{-0.006}^{+0.019}$\|	−0.01
VPHAS J1549−5251	ASCC 83	14	DA	20 320 ± 390	8.05 ± 0.07	\|$10.77_{-0.11}^{+0.11}$\|	0.07 ± 0.10	951 ± 165	\|$0.66_{-0.04}^{+0.04}$\|	\|$0.078_{-0.014}^{+0.017}$\|	0.01
VPHAS J1748−2914	Ruprecht 131	12	DAH	^a8750 ± 1200	8.00 ± 0.25	\|$12.84_{-0.52}^{+0.61}$\|		471 ± 102	\|$0.60_{-0.12}^{+0.16}$\|	\|$0.854_{-0.243}^{+0.672}$\|	0.05
VPHAS J1800−2332	Ruprecht 139	21	DA	24 030 ± 360	8.60 ± 0.05	\|$11.36_{-0.09}^{+0.09}$\|	0.24 ± 0.02	165 ± 7	\|$0.99_{-0.03}^{+0.03}$\|	\|$0.153_{-0.019}^{+0.019}$\|	0.21

Name

Cluster

S/N

Type

T_eff

log g

M_g

E(B − V)

M_WD

τ_WD

δτ_WD

(K)

(cgs)

(mag)

(pc)

(M_⊙)

(Gyr)

VPHAS J0804−2809

NGC 2527

18 160 ± 260

8.24 ± 0.05

|$11.27_{-0.07}^{+0.09}$|

0.05 ± 0.07

630 ± 77

|$0.77_{-0.03}^{+0.03}$|

|$0.185_{-0.016}^{+0.016}$|

0.12

VPHAS J0815−3625

BH 23

31 870 ± 210

8.04 ± 0.04

|$9.79_{-0.06}^{+0.06}$|

0.12 ± 0.03

734 ± 40

|$0.68_{-0.02}^{+0.02}$|

|$0.011_{-0.002}^{+0.002}$|

0.10

VPHAS J0900−4556

Platais 9

19 040 ± 450

8.13 ± 0.10

|$10.94_{-0.14}^{+0.14}$|

0.01 ± 0.05

615 ± 59

|$0.70_{-0.06}^{+0.06}$|

|$0.130_{-0.029}^{+0.029}$|

0.11

VPHAS J1018−5752

ASCC 59

17 430 ± 390

7.79 ± 0.08

|$10.66_{-0.12}^{+0.13}$|

0.00 ± 0.04

1066 ± 86

|$0.52_{-0.04}^{+0.04}$|

|$0.095_{-0.010}^{+0.010}$|

0.00

VPHAS J1021−5732

ASCC 59

30 110 ± 160

8.56 ± 0.03

|$10.79_{-0.05}^{+0.05}$|

0.28 ± 0.04

382 ± 27

|$0.98_{-0.02}^{+0.02}$|

|$0.059_{-0.006}^{+0.006}$|

0.10

VPHAS J1025−5841

Loden 143

13 280 ± 240

8.44 ± 0.04

|$12.23_{-0.07}^{+0.07}$|

0.12 ± 0.04

263 ± 19

|$0.89_{-0.03}^{+0.03}$|

|$0.580_{-0.028}^{+0.028}$|

0.04

VPHAS J1029−5855

Loden 143

DAH

^a35 000 ± 5000

8.00 ± 0.25

|$9.52_{-0.46}^{+0.46}$|

1326 ± 214

|$0.66_{-0.11}^{+0.15}$|

|$0.006_{-0.002}^{+0.009}$|

−0.12

VPHAS J1030−5900

Loden 143

19 780 ± 250

8.04 ± 0.04

|$10.81_{-0.06}^{+0.06}$|

0.07 ± 0.04

565 ± 41

|$0.65_{-0.02}^{+0.02}$|

|$0.084_{-0.011}^{+0.011}$|

0.00

VPHAS J1103−5837

NGC 3532

23 910 ± 360

8.87 ± 0.05

|$11.89_{-0.11}^{+0.11}$|

0.13 ± 0.07

433 ± 54

|$1.13_{-0.03}^{+0.03}$|

|$^{b}0.270_{-0.025}^{+0.034}$|

VPHAS J1104−5830

NGC 3532

^a29 500 ± 300

8.00 ± 0.25

|$9.90_{-0.44}^{+0.44}$|

1174 ± 174

|$0.64_{-0.11}^{+0.15}$|

|$0.011_{-0.003}^{+0.021}$|

−0.19

VPHAS J1105−5842

NGC 3532

14 230 ± 1160

8.16 ± 0.10

|$11.64_{-0.16}^{+0.17}$|

0.06 ± 0.04

363 ± 36

|$0.71_{-0.06}^{+0.06}$|

|$0.323_{-0.066}^{+0.086}$|

0.11

VPHAS J1337−6121

Platais 10

24 100 ± 530

8.01 ± 0.08

|$10.37_{-0.13}^{+0.13}$|

0.20 ± 0.05

709 ± 67

|$0.64_{-0.04}^{+0.05}$|

|$0.032_{-0.005}^{+0.013}$|

0.00

VPHAS J1344−6134

Platais 10

49 670 ± 2520

7.92 ± 0.19

|$8.87_{-0.37}^{+0.37}$|

0.39 ± 0.06

1202 ± 169

|$0.66_{-0.08}^{+0.09}$|

0.002

−0.81

VPHAS J1546−5233

Johansson 1

20 440 ± 550

7.98 ± 0.09

|$10.65_{-0.15}^{+0.15}$|

0.12 ± 0.11

1052 ± 204

|$0.62_{-0.04}^{+0.05}$|

|$0.063_{-0.006}^{+0.019}$|

−0.01

VPHAS J1549−5251

ASCC 83

20 320 ± 390

8.05 ± 0.07

|$10.77_{-0.11}^{+0.11}$|

0.07 ± 0.10

951 ± 165

|$0.66_{-0.04}^{+0.04}$|

|$0.078_{-0.014}^{+0.017}$|

0.01

VPHAS J1748−2914

Ruprecht 131

DAH

^a8750 ± 1200

8.00 ± 0.25

|$12.84_{-0.52}^{+0.61}$|

471 ± 102

|$0.60_{-0.12}^{+0.16}$|

|$0.854_{-0.243}^{+0.672}$|

0.05

VPHAS J1800−2332

Ruprecht 139

24 030 ± 360

8.60 ± 0.05

|$11.36_{-0.09}^{+0.09}$|

0.24 ± 0.02

165 ± 7

|$0.99_{-0.03}^{+0.03}$|

|$0.153_{-0.019}^{+0.019}$|

0.21

Name	Cluster	S/N	Type	T_eff	log g	M_g	E(B − V)	d	M_WD	τ_WD	δτ_WD
VPHAS J0804−2809	NGC 2527	20	DA	18 160 ± 260	8.24 ± 0.05	\|$11.27_{-0.07}^{+0.09}$\|	0.05 ± 0.07	630 ± 77	\|$0.77_{-0.03}^{+0.03}$\|	\|$0.185_{-0.016}^{+0.016}$\|	0.12
VPHAS J0815−3625	BH 23	28	DA	31 870 ± 210	8.04 ± 0.04	\|$9.79_{-0.06}^{+0.06}$\|	0.12 ± 0.03	734 ± 40	\|$0.68_{-0.02}^{+0.02}$\|	\|$0.011_{-0.002}^{+0.002}$\|	0.10
VPHAS J0900−4556	Platais 9	23	DB	19 040 ± 450	8.13 ± 0.10	\|$10.94_{-0.14}^{+0.14}$\|	0.01 ± 0.05	615 ± 59	\|$0.70_{-0.06}^{+0.06}$\|	\|$0.130_{-0.029}^{+0.029}$\|	0.11
VPHAS J1018−5752	ASCC 59	10	DA	17 430 ± 390	7.79 ± 0.08	\|$10.66_{-0.12}^{+0.13}$\|	0.00 ± 0.04	1066 ± 86	\|$0.52_{-0.04}^{+0.04}$\|	\|$0.095_{-0.010}^{+0.010}$\|	0.00
VPHAS J1021−5732	ASCC 59	27	DA	30 110 ± 160	8.56 ± 0.03	\|$10.79_{-0.05}^{+0.05}$\|	0.28 ± 0.04	382 ± 27	\|$0.98_{-0.02}^{+0.02}$\|	\|$0.059_{-0.006}^{+0.006}$\|	0.10
VPHAS J1025−5841	Loden 143	21	DA	13 280 ± 240	8.44 ± 0.04	\|$12.23_{-0.07}^{+0.07}$\|	0.12 ± 0.04	263 ± 19	\|$0.89_{-0.03}^{+0.03}$\|	\|$0.580_{-0.028}^{+0.028}$\|	0.04
VPHAS J1029−5855	Loden 143	14	DAH	^a35 000 ± 5000	8.00 ± 0.25	\|$9.52_{-0.46}^{+0.46}$\|		1326 ± 214	\|$0.66_{-0.11}^{+0.15}$\|	\|$0.006_{-0.002}^{+0.009}$\|	−0.12
VPHAS J1030−5900	Loden 143	22	DA	19 780 ± 250	8.04 ± 0.04	\|$10.81_{-0.06}^{+0.06}$\|	0.07 ± 0.04	565 ± 41	\|$0.65_{-0.02}^{+0.02}$\|	\|$0.084_{-0.011}^{+0.011}$\|	0.00
VPHAS J1103−5837	NGC 3532	19	DA	23 910 ± 360	8.87 ± 0.05	\|$11.89_{-0.11}^{+0.11}$\|	0.13 ± 0.07	433 ± 54	\|$1.13_{-0.03}^{+0.03}$\|	\|$^{b}0.270_{-0.025}^{+0.034}$\|
VPHAS J1104−5830	NGC 3532	8	DC	^a29 500 ± 300	8.00 ± 0.25	\|$9.90_{-0.44}^{+0.44}$\|		1174 ± 174	\|$0.64_{-0.11}^{+0.15}$\|	\|$0.011_{-0.003}^{+0.021}$\|	−0.19
VPHAS J1105−5842	NGC 3532	15	DA	14 230 ± 1160	8.16 ± 0.10	\|$11.64_{-0.16}^{+0.17}$\|	0.06 ± 0.04	363 ± 36	\|$0.71_{-0.06}^{+0.06}$\|	\|$0.323_{-0.066}^{+0.086}$\|	0.11
VPHAS J1337−6121	Platais 10	14	DA	24 100 ± 530	8.01 ± 0.08	\|$10.37_{-0.13}^{+0.13}$\|	0.20 ± 0.05	709 ± 67	\|$0.64_{-0.04}^{+0.05}$\|	\|$0.032_{-0.005}^{+0.013}$\|	0.00
VPHAS J1344−6134	Platais 10	10	DA	49 670 ± 2520	7.92 ± 0.19	\|$8.87_{-0.37}^{+0.37}$\|	0.39 ± 0.06	1202 ± 169	\|$0.66_{-0.08}^{+0.09}$\|	0.002	−0.81
VPHAS J1546−5233	Johansson 1	12	DA	20 440 ± 550	7.98 ± 0.09	\|$10.65_{-0.15}^{+0.15}$\|	0.12 ± 0.11	1052 ± 204	\|$0.62_{-0.04}^{+0.05}$\|	\|$0.063_{-0.006}^{+0.019}$\|	−0.01
VPHAS J1549−5251	ASCC 83	14	DA	20 320 ± 390	8.05 ± 0.07	\|$10.77_{-0.11}^{+0.11}$\|	0.07 ± 0.10	951 ± 165	\|$0.66_{-0.04}^{+0.04}$\|	\|$0.078_{-0.014}^{+0.017}$\|	0.01
VPHAS J1748−2914	Ruprecht 131	12	DAH	^a8750 ± 1200	8.00 ± 0.25	\|$12.84_{-0.52}^{+0.61}$\|		471 ± 102	\|$0.60_{-0.12}^{+0.16}$\|	\|$0.854_{-0.243}^{+0.672}$\|	0.05
VPHAS J1800−2332	Ruprecht 139	21	DA	24 030 ± 360	8.60 ± 0.05	\|$11.36_{-0.09}^{+0.09}$\|	0.24 ± 0.02	165 ± 7	\|$0.99_{-0.03}^{+0.03}$\|	\|$0.153_{-0.019}^{+0.019}$\|	0.21

Name

Cluster

S/N

Type

T_eff

log g

M_g

E(B − V)

M_WD

τ_WD

δτ_WD

(K)

(cgs)

(mag)

(pc)

(M_⊙)

(Gyr)

VPHAS J0804−2809

NGC 2527

18 160 ± 260

8.24 ± 0.05

|$11.27_{-0.07}^{+0.09}$|

0.05 ± 0.07

630 ± 77

|$0.77_{-0.03}^{+0.03}$|

|$0.185_{-0.016}^{+0.016}$|

0.12

VPHAS J0815−3625

BH 23

31 870 ± 210

8.04 ± 0.04

|$9.79_{-0.06}^{+0.06}$|

0.12 ± 0.03

734 ± 40

|$0.68_{-0.02}^{+0.02}$|

|$0.011_{-0.002}^{+0.002}$|

0.10

VPHAS J0900−4556

Platais 9

19 040 ± 450

8.13 ± 0.10

|$10.94_{-0.14}^{+0.14}$|

0.01 ± 0.05

615 ± 59

|$0.70_{-0.06}^{+0.06}$|

|$0.130_{-0.029}^{+0.029}$|

0.11

VPHAS J1018−5752

ASCC 59

17 430 ± 390

7.79 ± 0.08

|$10.66_{-0.12}^{+0.13}$|

0.00 ± 0.04

1066 ± 86

|$0.52_{-0.04}^{+0.04}$|

|$0.095_{-0.010}^{+0.010}$|

0.00

VPHAS J1021−5732

ASCC 59

30 110 ± 160

8.56 ± 0.03

|$10.79_{-0.05}^{+0.05}$|

0.28 ± 0.04

382 ± 27

|$0.98_{-0.02}^{+0.02}$|

|$0.059_{-0.006}^{+0.006}$|

0.10

VPHAS J1025−5841

Loden 143

13 280 ± 240

8.44 ± 0.04

|$12.23_{-0.07}^{+0.07}$|

0.12 ± 0.04

263 ± 19

|$0.89_{-0.03}^{+0.03}$|

|$0.580_{-0.028}^{+0.028}$|

0.04

VPHAS J1029−5855

Loden 143

DAH

^a35 000 ± 5000

8.00 ± 0.25

|$9.52_{-0.46}^{+0.46}$|

1326 ± 214

|$0.66_{-0.11}^{+0.15}$|

|$0.006_{-0.002}^{+0.009}$|

−0.12

VPHAS J1030−5900

Loden 143

19 780 ± 250

8.04 ± 0.04

|$10.81_{-0.06}^{+0.06}$|

0.07 ± 0.04

565 ± 41

|$0.65_{-0.02}^{+0.02}$|

|$0.084_{-0.011}^{+0.011}$|

0.00

VPHAS J1103−5837

NGC 3532

23 910 ± 360

8.87 ± 0.05

|$11.89_{-0.11}^{+0.11}$|

0.13 ± 0.07

433 ± 54

|$1.13_{-0.03}^{+0.03}$|

|$^{b}0.270_{-0.025}^{+0.034}$|

VPHAS J1104−5830

NGC 3532

^a29 500 ± 300

8.00 ± 0.25

|$9.90_{-0.44}^{+0.44}$|

1174 ± 174

|$0.64_{-0.11}^{+0.15}$|

|$0.011_{-0.003}^{+0.021}$|

−0.19

VPHAS J1105−5842

NGC 3532

14 230 ± 1160

8.16 ± 0.10

|$11.64_{-0.16}^{+0.17}$|

0.06 ± 0.04

363 ± 36

|$0.71_{-0.06}^{+0.06}$|

|$0.323_{-0.066}^{+0.086}$|

0.11

VPHAS J1337−6121

Platais 10

24 100 ± 530

8.01 ± 0.08

|$10.37_{-0.13}^{+0.13}$|

0.20 ± 0.05

709 ± 67

|$0.64_{-0.04}^{+0.05}$|

|$0.032_{-0.005}^{+0.013}$|

0.00

VPHAS J1344−6134

Platais 10

49 670 ± 2520

7.92 ± 0.19

|$8.87_{-0.37}^{+0.37}$|

0.39 ± 0.06

1202 ± 169

|$0.66_{-0.08}^{+0.09}$|

0.002

−0.81

VPHAS J1546−5233

Johansson 1

20 440 ± 550

7.98 ± 0.09

|$10.65_{-0.15}^{+0.15}$|

0.12 ± 0.11

1052 ± 204

|$0.62_{-0.04}^{+0.05}$|

|$0.063_{-0.006}^{+0.019}$|

−0.01

VPHAS J1549−5251

ASCC 83

20 320 ± 390

8.05 ± 0.07

|$10.77_{-0.11}^{+0.11}$|

0.07 ± 0.10

951 ± 165

|$0.66_{-0.04}^{+0.04}$|

|$0.078_{-0.014}^{+0.017}$|

0.01

VPHAS J1748−2914

Ruprecht 131

DAH

^a8750 ± 1200

8.00 ± 0.25

|$12.84_{-0.52}^{+0.61}$|

471 ± 102

|$0.60_{-0.12}^{+0.16}$|

|$0.854_{-0.243}^{+0.672}$|

0.05

VPHAS J1800−2332

Ruprecht 139

24 030 ± 360

8.60 ± 0.05

|$11.36_{-0.09}^{+0.09}$|

0.24 ± 0.02

165 ± 7

|$0.99_{-0.03}^{+0.03}$|

|$0.153_{-0.019}^{+0.019}$|

0.21

Table 4.

Open in new tab

Physical parameters of the 17 white dwarfs confirmed via spectroscopic follow-up. The S/N is measured at H β. δτ_WD is the fractional difference in cooling ages, between Montreal and BaSTI models (see Section 4.1 for details).

Name	Cluster	S/N	Type	T_eff	log g	M_g	E(B − V)	d	M_WD	τ_WD	δτ_WD
				(K)	(cgs)	(mag)	(mag)	(pc)	(M_⊙)	(Gyr)
VPHAS J0804−2809	NGC 2527	20	DA	18 160 ± 260	8.24 ± 0.05	\|$11.27_{-0.07}^{+0.09}$\|	0.05 ± 0.07	630 ± 77	\|$0.77_{-0.03}^{+0.03}$\|	\|$0.185_{-0.016}^{+0.016}$\|	0.12
VPHAS J0815−3625	BH 23	28	DA	31 870 ± 210	8.04 ± 0.04	\|$9.79_{-0.06}^{+0.06}$\|	0.12 ± 0.03	734 ± 40	\|$0.68_{-0.02}^{+0.02}$\|	\|$0.011_{-0.002}^{+0.002}$\|	0.10
VPHAS J0900−4556	Platais 9	23	DB	19 040 ± 450	8.13 ± 0.10	\|$10.94_{-0.14}^{+0.14}$\|	0.01 ± 0.05	615 ± 59	\|$0.70_{-0.06}^{+0.06}$\|	\|$0.130_{-0.029}^{+0.029}$\|	0.11
VPHAS J1018−5752	ASCC 59	10	DA	17 430 ± 390	7.79 ± 0.08	\|$10.66_{-0.12}^{+0.13}$\|	0.00 ± 0.04	1066 ± 86	\|$0.52_{-0.04}^{+0.04}$\|	\|$0.095_{-0.010}^{+0.010}$\|	0.00
VPHAS J1021−5732	ASCC 59	27	DA	30 110 ± 160	8.56 ± 0.03	\|$10.79_{-0.05}^{+0.05}$\|	0.28 ± 0.04	382 ± 27	\|$0.98_{-0.02}^{+0.02}$\|	\|$0.059_{-0.006}^{+0.006}$\|	0.10
VPHAS J1025−5841	Loden 143	21	DA	13 280 ± 240	8.44 ± 0.04	\|$12.23_{-0.07}^{+0.07}$\|	0.12 ± 0.04	263 ± 19	\|$0.89_{-0.03}^{+0.03}$\|	\|$0.580_{-0.028}^{+0.028}$\|	0.04
VPHAS J1029−5855	Loden 143	14	DAH	^a35 000 ± 5000	8.00 ± 0.25	\|$9.52_{-0.46}^{+0.46}$\|		1326 ± 214	\|$0.66_{-0.11}^{+0.15}$\|	\|$0.006_{-0.002}^{+0.009}$\|	−0.12
VPHAS J1030−5900	Loden 143	22	DA	19 780 ± 250	8.04 ± 0.04	\|$10.81_{-0.06}^{+0.06}$\|	0.07 ± 0.04	565 ± 41	\|$0.65_{-0.02}^{+0.02}$\|	\|$0.084_{-0.011}^{+0.011}$\|	0.00
VPHAS J1103−5837	NGC 3532	19	DA	23 910 ± 360	8.87 ± 0.05	\|$11.89_{-0.11}^{+0.11}$\|	0.13 ± 0.07	433 ± 54	\|$1.13_{-0.03}^{+0.03}$\|	\|$^{b}0.270_{-0.025}^{+0.034}$\|
VPHAS J1104−5830	NGC 3532	8	DC	^a29 500 ± 300	8.00 ± 0.25	\|$9.90_{-0.44}^{+0.44}$\|		1174 ± 174	\|$0.64_{-0.11}^{+0.15}$\|	\|$0.011_{-0.003}^{+0.021}$\|	−0.19
VPHAS J1105−5842	NGC 3532	15	DA	14 230 ± 1160	8.16 ± 0.10	\|$11.64_{-0.16}^{+0.17}$\|	0.06 ± 0.04	363 ± 36	\|$0.71_{-0.06}^{+0.06}$\|	\|$0.323_{-0.066}^{+0.086}$\|	0.11
VPHAS J1337−6121	Platais 10	14	DA	24 100 ± 530	8.01 ± 0.08	\|$10.37_{-0.13}^{+0.13}$\|	0.20 ± 0.05	709 ± 67	\|$0.64_{-0.04}^{+0.05}$\|	\|$0.032_{-0.005}^{+0.013}$\|	0.00
VPHAS J1344−6134	Platais 10	10	DA	49 670 ± 2520	7.92 ± 0.19	\|$8.87_{-0.37}^{+0.37}$\|	0.39 ± 0.06	1202 ± 169	\|$0.66_{-0.08}^{+0.09}$\|	0.002	−0.81
VPHAS J1546−5233	Johansson 1	12	DA	20 440 ± 550	7.98 ± 0.09	\|$10.65_{-0.15}^{+0.15}$\|	0.12 ± 0.11	1052 ± 204	\|$0.62_{-0.04}^{+0.05}$\|	\|$0.063_{-0.006}^{+0.019}$\|	−0.01
VPHAS J1549−5251	ASCC 83	14	DA	20 320 ± 390	8.05 ± 0.07	\|$10.77_{-0.11}^{+0.11}$\|	0.07 ± 0.10	951 ± 165	\|$0.66_{-0.04}^{+0.04}$\|	\|$0.078_{-0.014}^{+0.017}$\|	0.01
VPHAS J1748−2914	Ruprecht 131	12	DAH	^a8750 ± 1200	8.00 ± 0.25	\|$12.84_{-0.52}^{+0.61}$\|		471 ± 102	\|$0.60_{-0.12}^{+0.16}$\|	\|$0.854_{-0.243}^{+0.672}$\|	0.05
VPHAS J1800−2332	Ruprecht 139	21	DA	24 030 ± 360	8.60 ± 0.05	\|$11.36_{-0.09}^{+0.09}$\|	0.24 ± 0.02	165 ± 7	\|$0.99_{-0.03}^{+0.03}$\|	\|$0.153_{-0.019}^{+0.019}$\|	0.21

Name	Cluster	S/N	Type	T_eff	log g	M_g	E(B − V)	d	M_WD	τ_WD	δτ_WD
				(K)	(cgs)	(mag)	(mag)	(pc)	(M_⊙)	(Gyr)
VPHAS J0804−2809	NGC 2527	20	DA	18 160 ± 260	8.24 ± 0.05	\|$11.27_{-0.07}^{+0.09}$\|	0.05 ± 0.07	630 ± 77	\|$0.77_{-0.03}^{+0.03}$\|	\|$0.185_{-0.016}^{+0.016}$\|	0.12
VPHAS J0815−3625	BH 23	28	DA	31 870 ± 210	8.04 ± 0.04	\|$9.79_{-0.06}^{+0.06}$\|	0.12 ± 0.03	734 ± 40	\|$0.68_{-0.02}^{+0.02}$\|	\|$0.011_{-0.002}^{+0.002}$\|	0.10
VPHAS J0900−4556	Platais 9	23	DB	19 040 ± 450	8.13 ± 0.10	\|$10.94_{-0.14}^{+0.14}$\|	0.01 ± 0.05	615 ± 59	\|$0.70_{-0.06}^{+0.06}$\|	\|$0.130_{-0.029}^{+0.029}$\|	0.11
VPHAS J1018−5752	ASCC 59	10	DA	17 430 ± 390	7.79 ± 0.08	\|$10.66_{-0.12}^{+0.13}$\|	0.00 ± 0.04	1066 ± 86	\|$0.52_{-0.04}^{+0.04}$\|	\|$0.095_{-0.010}^{+0.010}$\|	0.00
VPHAS J1021−5732	ASCC 59	27	DA	30 110 ± 160	8.56 ± 0.03	\|$10.79_{-0.05}^{+0.05}$\|	0.28 ± 0.04	382 ± 27	\|$0.98_{-0.02}^{+0.02}$\|	\|$0.059_{-0.006}^{+0.006}$\|	0.10
VPHAS J1025−5841	Loden 143	21	DA	13 280 ± 240	8.44 ± 0.04	\|$12.23_{-0.07}^{+0.07}$\|	0.12 ± 0.04	263 ± 19	\|$0.89_{-0.03}^{+0.03}$\|	\|$0.580_{-0.028}^{+0.028}$\|	0.04
VPHAS J1029−5855	Loden 143	14	DAH	^a35 000 ± 5000	8.00 ± 0.25	\|$9.52_{-0.46}^{+0.46}$\|		1326 ± 214	\|$0.66_{-0.11}^{+0.15}$\|	\|$0.006_{-0.002}^{+0.009}$\|	−0.12
VPHAS J1030−5900	Loden 143	22	DA	19 780 ± 250	8.04 ± 0.04	\|$10.81_{-0.06}^{+0.06}$\|	0.07 ± 0.04	565 ± 41	\|$0.65_{-0.02}^{+0.02}$\|	\|$0.084_{-0.011}^{+0.011}$\|	0.00
VPHAS J1103−5837	NGC 3532	19	DA	23 910 ± 360	8.87 ± 0.05	\|$11.89_{-0.11}^{+0.11}$\|	0.13 ± 0.07	433 ± 54	\|$1.13_{-0.03}^{+0.03}$\|	\|$^{b}0.270_{-0.025}^{+0.034}$\|
VPHAS J1104−5830	NGC 3532	8	DC	^a29 500 ± 300	8.00 ± 0.25	\|$9.90_{-0.44}^{+0.44}$\|		1174 ± 174	\|$0.64_{-0.11}^{+0.15}$\|	\|$0.011_{-0.003}^{+0.021}$\|	−0.19
VPHAS J1105−5842	NGC 3532	15	DA	14 230 ± 1160	8.16 ± 0.10	\|$11.64_{-0.16}^{+0.17}$\|	0.06 ± 0.04	363 ± 36	\|$0.71_{-0.06}^{+0.06}$\|	\|$0.323_{-0.066}^{+0.086}$\|	0.11
VPHAS J1337−6121	Platais 10	14	DA	24 100 ± 530	8.01 ± 0.08	\|$10.37_{-0.13}^{+0.13}$\|	0.20 ± 0.05	709 ± 67	\|$0.64_{-0.04}^{+0.05}$\|	\|$0.032_{-0.005}^{+0.013}$\|	0.00
VPHAS J1344−6134	Platais 10	10	DA	49 670 ± 2520	7.92 ± 0.19	\|$8.87_{-0.37}^{+0.37}$\|	0.39 ± 0.06	1202 ± 169	\|$0.66_{-0.08}^{+0.09}$\|	0.002	−0.81
VPHAS J1546−5233	Johansson 1	12	DA	20 440 ± 550	7.98 ± 0.09	\|$10.65_{-0.15}^{+0.15}$\|	0.12 ± 0.11	1052 ± 204	\|$0.62_{-0.04}^{+0.05}$\|	\|$0.063_{-0.006}^{+0.019}$\|	−0.01
VPHAS J1549−5251	ASCC 83	14	DA	20 320 ± 390	8.05 ± 0.07	\|$10.77_{-0.11}^{+0.11}$\|	0.07 ± 0.10	951 ± 165	\|$0.66_{-0.04}^{+0.04}$\|	\|$0.078_{-0.014}^{+0.017}$\|	0.01
VPHAS J1748−2914	Ruprecht 131	12	DAH	^a8750 ± 1200	8.00 ± 0.25	\|$12.84_{-0.52}^{+0.61}$\|		471 ± 102	\|$0.60_{-0.12}^{+0.16}$\|	\|$0.854_{-0.243}^{+0.672}$\|	0.05
VPHAS J1800−2332	Ruprecht 139	21	DA	24 030 ± 360	8.60 ± 0.05	\|$11.36_{-0.09}^{+0.09}$\|	0.24 ± 0.02	165 ± 7	\|$0.99_{-0.03}^{+0.03}$\|	\|$0.153_{-0.019}^{+0.019}$\|	0.21

Notes. ^aEffective temperatures of DAH and DC white dwarfs are estimated from photometric fitting; no E(B−V) estimates.

^bCooling age determined from Althaus et al. (2007) oxygen–neon core models.

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