Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 179821075 (SMSS J172717.77-204942.3)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 261.8241 |
|---|
| Dec (deg) | -20.8284 |
|---|
| Galactic lon. (deg) | 4.6467 |
|---|
| Galactic lat. (deg) | 7.8422 |
|---|
| E(B-V) (SFD98) (mag) | 0.983 |
|---|
| E(B-V) (GNILC) (mag) | 0.903 ± 0.044 |
|---|
| Nearest DR4 source |
179821070 (8.3 arcs away) |
| 2nd-nearest DR4 source |
179821073 (9.9 arcs away) |
| 3rd-nearest DR4 source |
179821074 (10.8 arcs away) |
| Times observed | 11 |
|---|
| Total bad pixels | 0 |
|---|
| Observing flags | 0 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
20.050 ± 0.041 |
19.135 ± 0.053 |
18.395 ± 0.032 |
17.996 ± 0.036 |
| Petrosian mag. |
— |
— |
20.218 ± 0.156 |
19.303 ± 0.118 |
18.540 ± 0.119 |
18.088 ± 0.256 |
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 |
19.899 ± 0.079 |
0,0 |
100 |
2 |
| g |
20190507143127 |
20.061 ± 0.086 |
0,0 |
100 |
2 |
| r |
20190505165926 |
19.195 ± 0.080 |
16,0 |
100 |
2 |
| r |
20190506165309 |
19.116 ± 0.075 |
0,0 |
100 |
2 |
| r |
20190507143327 |
19.073 ± 0.066 |
0,0 |
100 |
2 |
| i |
20140729111202 |
18.344 ± 0.162 |
512,0 |
10 |
2 |
| i |
20150901084153 |
18.275 ± 0.071 |
0,0 |
100 |
2 |
| i |
20150901084554 |
18.291 ± 0.065 |
0,0 |
100 |
2 |
| i |
20190505170526 |
18.208 ± 0.063 |
16,0 |
100 |
2 |
| i |
20190508164002 |
18.423 ± 0.083 |
0,0 |
100 |
2 |
| i |
20190509140533 |
18.368 ± 0.087 |
0,0 |
100 |
2 |
| z |
20150901084353 |
17.870 ± 0.083 |
0,0 |
100 |
2 |
| z |
20150901084754 |
17.875 ± 0.081 |
0,0 |
100 |
2 |
| z |
20190505170726 |
18.039 ± 0.099 |
16,0 |
100 |
2 |
| z |
20190508164202 |
17.991 ± 0.097 |
0,0 |
100 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
0.58 |
1.45 |
| GAIA source ID |
4121011332320171136 |
4121011332320171008 |
| Bp mag. |
19.853 |
-- |
| G mag. |
19.009 |
20.811 |
| Rp mag. |
18.061 |
-- |
| Bp/Rp excess |
1.341 |
-- |
| Parallax (mas) |
0.346 ± 0.235 |
-- ± -- |
| PM RA (mas/yr) |
-3.173 ± 0.292 |
-- ± -- |
| PM Dec (mas/yr) |
-4.869 ± 0.204 |
-- ± -- |
| A.E.N. (mas) |
0.118 ± 0.049 |
3.586 ± 1.679 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
20.179
±
0.011
|
| r |
19.056
±
0.005
|
| i |
18.465
±
0.010
|
| z |
18.120
±
0.012
|
| Y |
--
±
--
|
| J |
16.717
±
0.022
|
| H |
--
±
--
|
| K |
16.049
±
0.040
|
| 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. |
