Parameters of pairs of the SiO maser star and the position-reference source in VERA astrometry.
| Pair . | Source name . | Scan* . | Phase tracking center . | |$ V_{{\rm ref}, v=2}$| † . | Synthesized‡ . | 1-|$ \sigma$| noise level§ . | |
|---|---|---|---|---|---|---|---|
| ID . | . | (hr) . | RA (J2000) . | Dec (J2000) . | (km s|$ ^{-1}$| ) . | beam pattern . | (mJy beam|$ ^{-1}$| ) . |
| 1 | WX Psc | 2.6 | 01|$ ^{\rm h}$| 06|$ ^{\rm m}$| 25|$ .\!\!\!^{\rm s}$| 99 | |$ +$| 12|$ ^{\circ}$| 35|$ '$| 53|$ .\!\!\!''$| 4 | 7.4 | 0.38 |$ \times$| 0.69, |$-$| 39|$ ^{\circ}$| | 194, 201 |
| J010746.0|$ +$| 131205 | 01|$ ^{\rm h}$| 07|$ ^{\rm m}$| 45|$ .\!\!\!^{\rm s}$| 961872 | |$ +$| 13|$ ^{\circ}$| 12|$ '$| 05|$ .\!\!\!''$| 19067 | 0.47 |$ \times$| 0.64, |$-$| 48|$ ^{\circ}$| | 3.9 | |||
| 2 | W Hya | 2.8 | 13|$ ^{\rm h}$| 49|$ ^{\rm m}$| 01|$ .\!\!\!^{\rm s}$| 9311 | |$-$| 28|$ ^{\circ}$| 22|$ '$| 04|$ .\!\!\!''$| 560 | 0.44 |$ \times$| 1.17, |$-$| 19|$ ^{\circ}$| | 184, 184 | |
| J135146.8|$-$| 291218 | 13|$ ^{\rm h}$| 51|$ ^{\rm m}$| 46|$ .\!\!\!^{\rm }s$| 838765 | |$-$| 29|$ ^{\circ}$| 12|$ '$| 17|$ .\!\!\!''$| 65002 | 40.4 | 0.43 |$ \times$| 1.15, |$-$| 18|$ ^{\circ}$| | 10.6 |
| Pair . | Source name . | Scan* . | Phase tracking center . | |$ V_{{\rm ref}, v=2}$| † . | Synthesized‡ . | 1-|$ \sigma$| noise level§ . | |
|---|---|---|---|---|---|---|---|
| ID . | . | (hr) . | RA (J2000) . | Dec (J2000) . | (km s|$ ^{-1}$| ) . | beam pattern . | (mJy beam|$ ^{-1}$| ) . |
| 1 | WX Psc | 2.6 | 01|$ ^{\rm h}$| 06|$ ^{\rm m}$| 25|$ .\!\!\!^{\rm s}$| 99 | |$ +$| 12|$ ^{\circ}$| 35|$ '$| 53|$ .\!\!\!''$| 4 | 7.4 | 0.38 |$ \times$| 0.69, |$-$| 39|$ ^{\circ}$| | 194, 201 |
| J010746.0|$ +$| 131205 | 01|$ ^{\rm h}$| 07|$ ^{\rm m}$| 45|$ .\!\!\!^{\rm s}$| 961872 | |$ +$| 13|$ ^{\circ}$| 12|$ '$| 05|$ .\!\!\!''$| 19067 | 0.47 |$ \times$| 0.64, |$-$| 48|$ ^{\circ}$| | 3.9 | |||
| 2 | W Hya | 2.8 | 13|$ ^{\rm h}$| 49|$ ^{\rm m}$| 01|$ .\!\!\!^{\rm s}$| 9311 | |$-$| 28|$ ^{\circ}$| 22|$ '$| 04|$ .\!\!\!''$| 560 | 0.44 |$ \times$| 1.17, |$-$| 19|$ ^{\circ}$| | 184, 184 | |
| J135146.8|$-$| 291218 | 13|$ ^{\rm h}$| 51|$ ^{\rm m}$| 46|$ .\!\!\!^{\rm }s$| 838765 | |$-$| 29|$ ^{\circ}$| 12|$ '$| 17|$ .\!\!\!''$| 65002 | 40.4 | 0.43 |$ \times$| 1.15, |$-$| 18|$ ^{\circ}$| | 10.6 |
Total integration time.
LSR velocity of the SiO |$ v$| |$ =$| 2 |$ J$| |$ =$| 1|$ \rightarrow$| 0 maser spot adopted as phase-reference.
Major and minor axis lengths in units of mas and position angle.
In maser image cubes, emission-free spectral channel maps of the |$ v$| |$ =$| 2 and |$ v$| |$ =$| 3 lines were chosen for the calculation.
Parameters of pairs of the SiO maser star and the position-reference source in VERA astrometry.
| Pair . | Source name . | Scan* . | Phase tracking center . | |$ V_{{\rm ref}, v=2}$| † . | Synthesized‡ . | 1-|$ \sigma$| noise level§ . | |
|---|---|---|---|---|---|---|---|
| ID . | . | (hr) . | RA (J2000) . | Dec (J2000) . | (km s|$ ^{-1}$| ) . | beam pattern . | (mJy beam|$ ^{-1}$| ) . |
| 1 | WX Psc | 2.6 | 01|$ ^{\rm h}$| 06|$ ^{\rm m}$| 25|$ .\!\!\!^{\rm s}$| 99 | |$ +$| 12|$ ^{\circ}$| 35|$ '$| 53|$ .\!\!\!''$| 4 | 7.4 | 0.38 |$ \times$| 0.69, |$-$| 39|$ ^{\circ}$| | 194, 201 |
| J010746.0|$ +$| 131205 | 01|$ ^{\rm h}$| 07|$ ^{\rm m}$| 45|$ .\!\!\!^{\rm s}$| 961872 | |$ +$| 13|$ ^{\circ}$| 12|$ '$| 05|$ .\!\!\!''$| 19067 | 0.47 |$ \times$| 0.64, |$-$| 48|$ ^{\circ}$| | 3.9 | |||
| 2 | W Hya | 2.8 | 13|$ ^{\rm h}$| 49|$ ^{\rm m}$| 01|$ .\!\!\!^{\rm s}$| 9311 | |$-$| 28|$ ^{\circ}$| 22|$ '$| 04|$ .\!\!\!''$| 560 | 0.44 |$ \times$| 1.17, |$-$| 19|$ ^{\circ}$| | 184, 184 | |
| J135146.8|$-$| 291218 | 13|$ ^{\rm h}$| 51|$ ^{\rm m}$| 46|$ .\!\!\!^{\rm }s$| 838765 | |$-$| 29|$ ^{\circ}$| 12|$ '$| 17|$ .\!\!\!''$| 65002 | 40.4 | 0.43 |$ \times$| 1.15, |$-$| 18|$ ^{\circ}$| | 10.6 |
| Pair . | Source name . | Scan* . | Phase tracking center . | |$ V_{{\rm ref}, v=2}$| † . | Synthesized‡ . | 1-|$ \sigma$| noise level§ . | |
|---|---|---|---|---|---|---|---|
| ID . | . | (hr) . | RA (J2000) . | Dec (J2000) . | (km s|$ ^{-1}$| ) . | beam pattern . | (mJy beam|$ ^{-1}$| ) . |
| 1 | WX Psc | 2.6 | 01|$ ^{\rm h}$| 06|$ ^{\rm m}$| 25|$ .\!\!\!^{\rm s}$| 99 | |$ +$| 12|$ ^{\circ}$| 35|$ '$| 53|$ .\!\!\!''$| 4 | 7.4 | 0.38 |$ \times$| 0.69, |$-$| 39|$ ^{\circ}$| | 194, 201 |
| J010746.0|$ +$| 131205 | 01|$ ^{\rm h}$| 07|$ ^{\rm m}$| 45|$ .\!\!\!^{\rm s}$| 961872 | |$ +$| 13|$ ^{\circ}$| 12|$ '$| 05|$ .\!\!\!''$| 19067 | 0.47 |$ \times$| 0.64, |$-$| 48|$ ^{\circ}$| | 3.9 | |||
| 2 | W Hya | 2.8 | 13|$ ^{\rm h}$| 49|$ ^{\rm m}$| 01|$ .\!\!\!^{\rm s}$| 9311 | |$-$| 28|$ ^{\circ}$| 22|$ '$| 04|$ .\!\!\!''$| 560 | 0.44 |$ \times$| 1.17, |$-$| 19|$ ^{\circ}$| | 184, 184 | |
| J135146.8|$-$| 291218 | 13|$ ^{\rm h}$| 51|$ ^{\rm m}$| 46|$ .\!\!\!^{\rm }s$| 838765 | |$-$| 29|$ ^{\circ}$| 12|$ '$| 17|$ .\!\!\!''$| 65002 | 40.4 | 0.43 |$ \times$| 1.15, |$-$| 18|$ ^{\circ}$| | 10.6 |
Total integration time.
LSR velocity of the SiO |$ v$| |$ =$| 2 |$ J$| |$ =$| 1|$ \rightarrow$| 0 maser spot adopted as phase-reference.
Major and minor axis lengths in units of mas and position angle.
In maser image cubes, emission-free spectral channel maps of the |$ v$| |$ =$| 2 and |$ v$| |$ =$| 3 lines were chosen for the calculation.
This PDF is available to Subscribers Only
View Article Abstract & Purchase OptionsFor full access to this pdf, sign in to an existing account, or purchase an annual subscription.
