Table 5.

The results of the surface brightness profiles.

Studies|$R_{min}$||$R_{max}$|Power-law indexData typeMemo
 [kpc][kpc](scale length [kpc])(model) 
Guhathakurta et al. (2005)30165|$-2.3$|SpectroscopicThe south part of the M31 halo
Irwin et al. (2005)2055|$-2.3$|PhotometricSouth-Eastern minor axis
   (14)(Exponential) 
Ibata et al. (2007)30–3590–130|$-1.9\pm 0.12$|PhotometricSouth-Eastern minor axis
   (31.6|$\pm$|1.0)(Exponential) 
   (54.6|$\pm$|1.3)(Hernquist) 
 90130(45.1|$\pm$|6.0)(Exponential) 
   (53.1|$\pm$|3.5)(Hernquist) 
Tanaka et al. (2010)20100|$-1.75\pm 0.13$|PhotometricSouth-Eastern minor axis
   (22.4|$\pm$|2.3)(Exponential) 
   (31.7|$\pm$|6.7)(Hernquist) 
 20100|$-2.17\pm 0.15$| North-Western minor axis
   (18.8|$\pm$|1.8)(Exponential) 
   (17.1|$\pm$|4.7)(Hernquist) 
Courteau et al. (2011)0165|$-2.5\pm 0.2$|Photometric and SpectroscopicSouth-Eastern minor axis
Williams et al. (2012)235|$-2.6^{+0.3}_{-0.2}$|PhotometricUsing the horizontal branch stars
Gilbert et al. (2012)9176|$-2.2\pm 0.2$|SpectroscopicStatistically removed substructures
 35176|$-1.9\pm 0.4$| All M31 stars
 990|$-2.2\pm 0.3$| Statistically removed substructures
Ibata et al. (2014)27150|$-2.08\pm 0.02(\pm 0.12)$|PhotometricStatistically removed substructures
     |$-2.5\lt [\mathrm{Fe/H}]\lt -1.7$|
 27150|$-2.13\pm 0.02(\pm 0.12)$|PhotometricStatistically removed substructures
     |$-1.7\lt [\mathrm{Fe/H}]\lt -1.1$|
 27150|$-2.66\pm 0.02(\pm 0.19)$|PhotometricStatistically removed substructures
     |$-1.1\lt [\mathrm{Fe/H}]\lt 0.0$|
This study14110|$-1.65^{+0.02}_{-0.02}$| The M31 halo entire region (radial profile)
   (⁠|$24.9^{+0.3}_{-0.3}$|⁠)(Exponential)|$-2.5\lt [\mathrm{Fe/H}]\lt -1.7$|
   |$-2.10^{+0.01}_{-0.01}$| |$-1.7\lt [\mathrm{Fe/H}]\lt -1.1$|
   (⁠|$18.7^{+0.1}_{-0.1}$|⁠)(Exponential) 
   |$-2.82^{+0.01}_{-0.01}$| |$-1.1\lt [\mathrm{Fe/H}]\lt 0$|
   (⁠|$12.32^{+0.03}_{-0.03}$|⁠)(Exponential) 
   |$-2.44^{+0.01}_{-0.01}$| |$-2.5\lt [\mathrm{Fe/H}]\lt 0$|
   (⁠|$14.99^{+0.04}_{-0.04}$|⁠)(Exponential) 
 14110|$-1.32^{+0.07}_{-0.07}$| South-Eastern minor axis
   (⁠|$29.0^{+1.7}_{-1.5}$|⁠)(Exponential)|$-2.5\lt [\mathrm{Fe/H}]\lt -1.7$|
   |$-1.50^{+0.05}_{-0.05}$| |$-1.7\lt [\mathrm{Fe/H}]\lt -1.7$|
   (⁠|$24.8^{+0.9}_{-0.8}$|⁠)(Exponential) 
   |$-1.76^{+0.03}_{-0.03}$| |$-1.1\lt [\mathrm{Fe/H}]\lt 0$|
   (⁠|$21.7^{+0.4}_{-0.4}$|⁠)(Exponential) 
   |$-1.61^{+0.02}_{-0.02}$| |$-2.5\lt [\mathrm{Fe/H}]\lt 0$|
   (⁠|$23.4^{+0.4}_{-0.4}$|⁠)(Exponential) 
 14110|$-1.28^{+0.05}_{-0.05}$| North-Western minor axis
   (⁠|$37.0^{+1.5}_{-2.4}$|⁠)(Exponential)|$-2.5\lt [\mathrm{Fe/H}]\lt -1.7$|
   |$-1.65^{+0.03}_{-0.03}$| |$-1.7\lt [\mathrm{Fe/H}]\lt -1.1$|
   (⁠|$28.5^{+0.6}_{-0.6}$|⁠)(Exponential) 
   |$-2.60^{+0.02}_{-0.02}$| |$-1.1\lt [\mathrm{Fe/H}]\lt 0$|
   (⁠|$17.2^{+0.2}_{-0.2}$|⁠)(Exponential) 
   |$-2.05^{+0.02}_{-0.02}$| |$-2.5\lt [\mathrm{Fe/H}]\lt 0$|
   (⁠|$22.1^{+0.2}_{-0.2}$|⁠)(Exponential) 
Studies|$R_{min}$||$R_{max}$|Power-law indexData typeMemo
 [kpc][kpc](scale length [kpc])(model) 
Guhathakurta et al. (2005)30165|$-2.3$|SpectroscopicThe south part of the M31 halo
Irwin et al. (2005)2055|$-2.3$|PhotometricSouth-Eastern minor axis
   (14)(Exponential) 
Ibata et al. (2007)30–3590–130|$-1.9\pm 0.12$|PhotometricSouth-Eastern minor axis
   (31.6|$\pm$|1.0)(Exponential) 
   (54.6|$\pm$|1.3)(Hernquist) 
 90130(45.1|$\pm$|6.0)(Exponential) 
   (53.1|$\pm$|3.5)(Hernquist) 
Tanaka et al. (2010)20100|$-1.75\pm 0.13$|PhotometricSouth-Eastern minor axis
   (22.4|$\pm$|2.3)(Exponential) 
   (31.7|$\pm$|6.7)(Hernquist) 
 20100|$-2.17\pm 0.15$| North-Western minor axis
   (18.8|$\pm$|1.8)(Exponential) 
   (17.1|$\pm$|4.7)(Hernquist) 
Courteau et al. (2011)0165|$-2.5\pm 0.2$|Photometric and SpectroscopicSouth-Eastern minor axis
Williams et al. (2012)235|$-2.6^{+0.3}_{-0.2}$|PhotometricUsing the horizontal branch stars
Gilbert et al. (2012)9176|$-2.2\pm 0.2$|SpectroscopicStatistically removed substructures
 35176|$-1.9\pm 0.4$| All M31 stars
 990|$-2.2\pm 0.3$| Statistically removed substructures
Ibata et al. (2014)27150|$-2.08\pm 0.02(\pm 0.12)$|PhotometricStatistically removed substructures
     |$-2.5\lt [\mathrm{Fe/H}]\lt -1.7$|
 27150|$-2.13\pm 0.02(\pm 0.12)$|PhotometricStatistically removed substructures
     |$-1.7\lt [\mathrm{Fe/H}]\lt -1.1$|
 27150|$-2.66\pm 0.02(\pm 0.19)$|PhotometricStatistically removed substructures
     |$-1.1\lt [\mathrm{Fe/H}]\lt 0.0$|
This study14110|$-1.65^{+0.02}_{-0.02}$| The M31 halo entire region (radial profile)
   (⁠|$24.9^{+0.3}_{-0.3}$|⁠)(Exponential)|$-2.5\lt [\mathrm{Fe/H}]\lt -1.7$|
   |$-2.10^{+0.01}_{-0.01}$| |$-1.7\lt [\mathrm{Fe/H}]\lt -1.1$|
   (⁠|$18.7^{+0.1}_{-0.1}$|⁠)(Exponential) 
   |$-2.82^{+0.01}_{-0.01}$| |$-1.1\lt [\mathrm{Fe/H}]\lt 0$|
   (⁠|$12.32^{+0.03}_{-0.03}$|⁠)(Exponential) 
   |$-2.44^{+0.01}_{-0.01}$| |$-2.5\lt [\mathrm{Fe/H}]\lt 0$|
   (⁠|$14.99^{+0.04}_{-0.04}$|⁠)(Exponential) 
 14110|$-1.32^{+0.07}_{-0.07}$| South-Eastern minor axis
   (⁠|$29.0^{+1.7}_{-1.5}$|⁠)(Exponential)|$-2.5\lt [\mathrm{Fe/H}]\lt -1.7$|
   |$-1.50^{+0.05}_{-0.05}$| |$-1.7\lt [\mathrm{Fe/H}]\lt -1.7$|
   (⁠|$24.8^{+0.9}_{-0.8}$|⁠)(Exponential) 
   |$-1.76^{+0.03}_{-0.03}$| |$-1.1\lt [\mathrm{Fe/H}]\lt 0$|
   (⁠|$21.7^{+0.4}_{-0.4}$|⁠)(Exponential) 
   |$-1.61^{+0.02}_{-0.02}$| |$-2.5\lt [\mathrm{Fe/H}]\lt 0$|
   (⁠|$23.4^{+0.4}_{-0.4}$|⁠)(Exponential) 
 14110|$-1.28^{+0.05}_{-0.05}$| North-Western minor axis
   (⁠|$37.0^{+1.5}_{-2.4}$|⁠)(Exponential)|$-2.5\lt [\mathrm{Fe/H}]\lt -1.7$|
   |$-1.65^{+0.03}_{-0.03}$| |$-1.7\lt [\mathrm{Fe/H}]\lt -1.1$|
   (⁠|$28.5^{+0.6}_{-0.6}$|⁠)(Exponential) 
   |$-2.60^{+0.02}_{-0.02}$| |$-1.1\lt [\mathrm{Fe/H}]\lt 0$|
   (⁠|$17.2^{+0.2}_{-0.2}$|⁠)(Exponential) 
   |$-2.05^{+0.02}_{-0.02}$| |$-2.5\lt [\mathrm{Fe/H}]\lt 0$|
   (⁠|$22.1^{+0.2}_{-0.2}$|⁠)(Exponential) 
Table 5.

The results of the surface brightness profiles.

Studies|$R_{min}$||$R_{max}$|Power-law indexData typeMemo
 [kpc][kpc](scale length [kpc])(model) 
Guhathakurta et al. (2005)30165|$-2.3$|SpectroscopicThe south part of the M31 halo
Irwin et al. (2005)2055|$-2.3$|PhotometricSouth-Eastern minor axis
   (14)(Exponential) 
Ibata et al. (2007)30–3590–130|$-1.9\pm 0.12$|PhotometricSouth-Eastern minor axis
   (31.6|$\pm$|1.0)(Exponential) 
   (54.6|$\pm$|1.3)(Hernquist) 
 90130(45.1|$\pm$|6.0)(Exponential) 
   (53.1|$\pm$|3.5)(Hernquist) 
Tanaka et al. (2010)20100|$-1.75\pm 0.13$|PhotometricSouth-Eastern minor axis
   (22.4|$\pm$|2.3)(Exponential) 
   (31.7|$\pm$|6.7)(Hernquist) 
 20100|$-2.17\pm 0.15$| North-Western minor axis
   (18.8|$\pm$|1.8)(Exponential) 
   (17.1|$\pm$|4.7)(Hernquist) 
Courteau et al. (2011)0165|$-2.5\pm 0.2$|Photometric and SpectroscopicSouth-Eastern minor axis
Williams et al. (2012)235|$-2.6^{+0.3}_{-0.2}$|PhotometricUsing the horizontal branch stars
Gilbert et al. (2012)9176|$-2.2\pm 0.2$|SpectroscopicStatistically removed substructures
 35176|$-1.9\pm 0.4$| All M31 stars
 990|$-2.2\pm 0.3$| Statistically removed substructures
Ibata et al. (2014)27150|$-2.08\pm 0.02(\pm 0.12)$|PhotometricStatistically removed substructures
     |$-2.5\lt [\mathrm{Fe/H}]\lt -1.7$|
 27150|$-2.13\pm 0.02(\pm 0.12)$|PhotometricStatistically removed substructures
     |$-1.7\lt [\mathrm{Fe/H}]\lt -1.1$|
 27150|$-2.66\pm 0.02(\pm 0.19)$|PhotometricStatistically removed substructures
     |$-1.1\lt [\mathrm{Fe/H}]\lt 0.0$|
This study14110|$-1.65^{+0.02}_{-0.02}$| The M31 halo entire region (radial profile)
   (⁠|$24.9^{+0.3}_{-0.3}$|⁠)(Exponential)|$-2.5\lt [\mathrm{Fe/H}]\lt -1.7$|
   |$-2.10^{+0.01}_{-0.01}$| |$-1.7\lt [\mathrm{Fe/H}]\lt -1.1$|
   (⁠|$18.7^{+0.1}_{-0.1}$|⁠)(Exponential) 
   |$-2.82^{+0.01}_{-0.01}$| |$-1.1\lt [\mathrm{Fe/H}]\lt 0$|
   (⁠|$12.32^{+0.03}_{-0.03}$|⁠)(Exponential) 
   |$-2.44^{+0.01}_{-0.01}$| |$-2.5\lt [\mathrm{Fe/H}]\lt 0$|
   (⁠|$14.99^{+0.04}_{-0.04}$|⁠)(Exponential) 
 14110|$-1.32^{+0.07}_{-0.07}$| South-Eastern minor axis
   (⁠|$29.0^{+1.7}_{-1.5}$|⁠)(Exponential)|$-2.5\lt [\mathrm{Fe/H}]\lt -1.7$|
   |$-1.50^{+0.05}_{-0.05}$| |$-1.7\lt [\mathrm{Fe/H}]\lt -1.7$|
   (⁠|$24.8^{+0.9}_{-0.8}$|⁠)(Exponential) 
   |$-1.76^{+0.03}_{-0.03}$| |$-1.1\lt [\mathrm{Fe/H}]\lt 0$|
   (⁠|$21.7^{+0.4}_{-0.4}$|⁠)(Exponential) 
   |$-1.61^{+0.02}_{-0.02}$| |$-2.5\lt [\mathrm{Fe/H}]\lt 0$|
   (⁠|$23.4^{+0.4}_{-0.4}$|⁠)(Exponential) 
 14110|$-1.28^{+0.05}_{-0.05}$| North-Western minor axis
   (⁠|$37.0^{+1.5}_{-2.4}$|⁠)(Exponential)|$-2.5\lt [\mathrm{Fe/H}]\lt -1.7$|
   |$-1.65^{+0.03}_{-0.03}$| |$-1.7\lt [\mathrm{Fe/H}]\lt -1.1$|
   (⁠|$28.5^{+0.6}_{-0.6}$|⁠)(Exponential) 
   |$-2.60^{+0.02}_{-0.02}$| |$-1.1\lt [\mathrm{Fe/H}]\lt 0$|
   (⁠|$17.2^{+0.2}_{-0.2}$|⁠)(Exponential) 
   |$-2.05^{+0.02}_{-0.02}$| |$-2.5\lt [\mathrm{Fe/H}]\lt 0$|
   (⁠|$22.1^{+0.2}_{-0.2}$|⁠)(Exponential) 
Studies|$R_{min}$||$R_{max}$|Power-law indexData typeMemo
 [kpc][kpc](scale length [kpc])(model) 
Guhathakurta et al. (2005)30165|$-2.3$|SpectroscopicThe south part of the M31 halo
Irwin et al. (2005)2055|$-2.3$|PhotometricSouth-Eastern minor axis
   (14)(Exponential) 
Ibata et al. (2007)30–3590–130|$-1.9\pm 0.12$|PhotometricSouth-Eastern minor axis
   (31.6|$\pm$|1.0)(Exponential) 
   (54.6|$\pm$|1.3)(Hernquist) 
 90130(45.1|$\pm$|6.0)(Exponential) 
   (53.1|$\pm$|3.5)(Hernquist) 
Tanaka et al. (2010)20100|$-1.75\pm 0.13$|PhotometricSouth-Eastern minor axis
   (22.4|$\pm$|2.3)(Exponential) 
   (31.7|$\pm$|6.7)(Hernquist) 
 20100|$-2.17\pm 0.15$| North-Western minor axis
   (18.8|$\pm$|1.8)(Exponential) 
   (17.1|$\pm$|4.7)(Hernquist) 
Courteau et al. (2011)0165|$-2.5\pm 0.2$|Photometric and SpectroscopicSouth-Eastern minor axis
Williams et al. (2012)235|$-2.6^{+0.3}_{-0.2}$|PhotometricUsing the horizontal branch stars
Gilbert et al. (2012)9176|$-2.2\pm 0.2$|SpectroscopicStatistically removed substructures
 35176|$-1.9\pm 0.4$| All M31 stars
 990|$-2.2\pm 0.3$| Statistically removed substructures
Ibata et al. (2014)27150|$-2.08\pm 0.02(\pm 0.12)$|PhotometricStatistically removed substructures
     |$-2.5\lt [\mathrm{Fe/H}]\lt -1.7$|
 27150|$-2.13\pm 0.02(\pm 0.12)$|PhotometricStatistically removed substructures
     |$-1.7\lt [\mathrm{Fe/H}]\lt -1.1$|
 27150|$-2.66\pm 0.02(\pm 0.19)$|PhotometricStatistically removed substructures
     |$-1.1\lt [\mathrm{Fe/H}]\lt 0.0$|
This study14110|$-1.65^{+0.02}_{-0.02}$| The M31 halo entire region (radial profile)
   (⁠|$24.9^{+0.3}_{-0.3}$|⁠)(Exponential)|$-2.5\lt [\mathrm{Fe/H}]\lt -1.7$|
   |$-2.10^{+0.01}_{-0.01}$| |$-1.7\lt [\mathrm{Fe/H}]\lt -1.1$|
   (⁠|$18.7^{+0.1}_{-0.1}$|⁠)(Exponential) 
   |$-2.82^{+0.01}_{-0.01}$| |$-1.1\lt [\mathrm{Fe/H}]\lt 0$|
   (⁠|$12.32^{+0.03}_{-0.03}$|⁠)(Exponential) 
   |$-2.44^{+0.01}_{-0.01}$| |$-2.5\lt [\mathrm{Fe/H}]\lt 0$|
   (⁠|$14.99^{+0.04}_{-0.04}$|⁠)(Exponential) 
 14110|$-1.32^{+0.07}_{-0.07}$| South-Eastern minor axis
   (⁠|$29.0^{+1.7}_{-1.5}$|⁠)(Exponential)|$-2.5\lt [\mathrm{Fe/H}]\lt -1.7$|
   |$-1.50^{+0.05}_{-0.05}$| |$-1.7\lt [\mathrm{Fe/H}]\lt -1.7$|
   (⁠|$24.8^{+0.9}_{-0.8}$|⁠)(Exponential) 
   |$-1.76^{+0.03}_{-0.03}$| |$-1.1\lt [\mathrm{Fe/H}]\lt 0$|
   (⁠|$21.7^{+0.4}_{-0.4}$|⁠)(Exponential) 
   |$-1.61^{+0.02}_{-0.02}$| |$-2.5\lt [\mathrm{Fe/H}]\lt 0$|
   (⁠|$23.4^{+0.4}_{-0.4}$|⁠)(Exponential) 
 14110|$-1.28^{+0.05}_{-0.05}$| North-Western minor axis
   (⁠|$37.0^{+1.5}_{-2.4}$|⁠)(Exponential)|$-2.5\lt [\mathrm{Fe/H}]\lt -1.7$|
   |$-1.65^{+0.03}_{-0.03}$| |$-1.7\lt [\mathrm{Fe/H}]\lt -1.1$|
   (⁠|$28.5^{+0.6}_{-0.6}$|⁠)(Exponential) 
   |$-2.60^{+0.02}_{-0.02}$| |$-1.1\lt [\mathrm{Fe/H}]\lt 0$|
   (⁠|$17.2^{+0.2}_{-0.2}$|⁠)(Exponential) 
   |$-2.05^{+0.02}_{-0.02}$| |$-2.5\lt [\mathrm{Fe/H}]\lt 0$|
   (⁠|$22.1^{+0.2}_{-0.2}$|⁠)(Exponential) 
Close
This Feature Is Available To Subscribers Only

Sign In or Create an Account

Close

This PDF is available to Subscribers Only

View Article Abstract & Purchase Options

For full access to this pdf, sign in to an existing account, or purchase an annual subscription.

Close