Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 179821162 (SMSS J172714.12-204925.0)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 261.8089 |
|---|
| Dec (deg) | -20.8236 |
|---|
| Galactic lon. (deg) | 4.6430 |
|---|
| Galactic lat. (deg) | 7.8567 |
|---|
| E(B-V) (SFD98) (mag) | 0.940 |
|---|
| E(B-V) (GNILC) (mag) | 0.861 ± 0.037 |
|---|
| Nearest DR4 source |
179821164 (7.5 arcs away) |
| 2nd-nearest DR4 source |
179821062 (10.9 arcs away) |
| 3rd-nearest DR4 source |
179821058 (12.3 arcs away) |
| Times observed | 17 |
|---|
| Total bad pixels | 3 |
|---|
| Observing flags | 3 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
18.984 ± 0.046 |
17.816 ± 0.024 |
16.801 ± 0.017 |
16.215 ± 0.017 |
| Petrosian mag. |
— |
— |
18.787 ± 0.065 |
17.684 ± 0.071 |
16.632 ± 0.031 |
16.154 ± 0.043 |
2 x 2 arcmin
Image cutouts
See all image cutouts for this object here.
Images shown are the best images available from DR4, as determined by their coverage and approximate photometric zero-point.
Photometry measurements
| Filter |
Image ID |
Magnitude (APC05) |
Flags |
Exp time (s) |
Image Quality
(1=best to 3) |
| g |
20190506165109 |
18.973 ± 0.040 |
3,0 |
100 |
2 |
| r |
20140722114203 |
17.885 ± 0.094 |
0,0 |
5 |
2 |
| r |
20140729111131 |
17.882 ± 0.088 |
0,0 |
5 |
2 |
| r |
20160420170109 |
17.960 ± 0.135 |
0,0 |
5 |
2 |
| r |
20190505165926 |
17.800 ± 0.034 |
3,0 |
100 |
2 |
| r |
20190506165309 |
17.805 ± 0.033 |
3,0 |
100 |
2 |
| i |
20140722114229 |
16.764 ± 0.050 |
3,0 |
10 |
2 |
| i |
20140729111202 |
16.774 ± 0.049 |
3,0 |
10 |
2 |
| i |
20150901084153 |
16.796 ± 0.033 |
3,0 |
100 |
2 |
| i |
20150901084554 |
16.788 ± 0.031 |
3,0 |
100 |
2 |
| i |
20160420170134 |
16.894 ± 0.061 |
3,0 |
10 |
2 |
| i |
20190505170526 |
16.768 ± 0.032 |
3,0 |
100 |
2 |
| z |
20140722114259 |
16.206 ± 0.042 |
3,0 |
20 |
2 |
| z |
20140729111235 |
16.214 ± 0.043 |
3,0 |
20 |
2 |
| z |
20150901084353 |
16.172 ± 0.035 |
3,0 |
100 |
2 |
| z |
20150901084754 |
16.171 ± 0.032 |
3,0 |
100 |
2 |
| z |
20160420170204 |
16.168 ± 0.044 |
3,3 |
20 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
0.17 |
1.31 |
| GAIA source ID |
4121023083384512896 |
4121023083350767616 |
| Bp mag. |
18.797 |
-- |
| G mag. |
17.615 |
19.952 |
| Rp mag. |
16.474 |
-- |
| Bp/Rp excess |
1.449 |
-- |
| Parallax (mas) |
-0.060 ± 0.098 |
-- ± -- |
| PM RA (mas/yr) |
-0.865 ± 0.121 |
-- ± -- |
| PM Dec (mas/yr) |
-6.070 ± 0.084 |
-- ± -- |
| A.E.N. (mas) |
0.0 ± 0.0 |
1.568 ± 1.569 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
19.390
±
0.006
|
| r |
17.797
±
0.003
|
| i |
16.974
±
0.003
|
| z |
16.488
±
0.003
|
| Y |
--
±
--
|
| J |
14.693
±
0.09
|
| H |
13.8
±
0.099
|
| K |
13.606
±
0.051
|
| W1 |
--
±
--
|
| W2 |
--
±
--
|
| W3 |
--
±
--
|
| W4 |
--
±
--
|
| 1Magnitude sources |
| FUV/NUV: |
AB mag (calibrated) from GALEX |
| ugriz: |
AB mag (Kron) from NOAO Source Catalog |
| YJHK: |
Vega mag from VISTA (2" aperture) or 2MASS PSC |
| W1-W4: |
Vega mag from CatWISE2020 or AllWISE (profile mag). No error value
means the stated value is an upper limit. |
