Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 179821032 (SMSS J172715.77-205017.8)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 261.8159 |
|---|
| Dec (deg) | -20.8383 |
|---|
| Galactic lon. (deg) | 4.6341 |
|---|
| Galactic lat. (deg) | 7.8432 |
|---|
| E(B-V) (SFD98) (mag) | 0.940 |
|---|
| E(B-V) (GNILC) (mag) | 0.861 ± 0.037 |
|---|
| Nearest DR4 source |
179821052 (5.9 arcs away) |
| 2nd-nearest DR4 source |
179821031 (11.9 arcs away) |
| 3rd-nearest DR4 source |
179821041 (12.1 arcs away) |
| Times observed | 19 |
|---|
| Total bad pixels | 0 |
|---|
| Observing flags | 3 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
19.400 ± 0.062 |
18.5 ± 0.078 |
17.664 ± 0.089 |
17.284 ± 0.092 |
| Petrosian mag. |
— |
— |
19.044 ± 0.053 |
18.115 ± 0.138 |
17.261 ± 0.058 |
16.886 ± 0.058 |
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 |
20190505165725 |
19.406 ± 0.052 |
0,0 |
100 |
2 |
| g |
20190506165109 |
19.352 ± 0.052 |
0,0 |
100 |
2 |
| g |
20190507143127 |
19.510 ± 0.055 |
0,0 |
100 |
2 |
| r |
20140729111131 |
18.479 ± 0.144 |
0,0 |
5 |
2 |
| r |
20190505165926 |
18.548 ± 0.050 |
0,0 |
100 |
2 |
| r |
20190506165309 |
18.431 ± 0.046 |
0,0 |
100 |
2 |
| r |
20190507143327 |
18.604 ± 0.050 |
0,0 |
100 |
2 |
| i |
20140722114229 |
17.624 ± 0.092 |
0,0 |
10 |
2 |
| i |
20140729111202 |
17.639 ± 0.089 |
0,0 |
10 |
2 |
| i |
20150901084153 |
17.728 ± 0.049 |
0,0 |
100 |
2 |
| i |
20150901084554 |
17.708 ± 0.044 |
3,0 |
100 |
2 |
| i |
20190505170526 |
17.749 ± 0.047 |
3,0 |
100 |
2 |
| i |
20190508164002 |
17.859 ± 0.054 |
0,0 |
100 |
2 |
| i |
20190720124743 |
17.803 ± 0.07 |
17,0 |
100 |
2 |
| z |
20140722114259 |
17.216 ± 0.082 |
0,0 |
20 |
2 |
| z |
20140729111235 |
17.425 ± 0.097 |
0,0 |
20 |
2 |
| z |
20150901084353 |
17.330 ± 0.056 |
3,0 |
100 |
2 |
| z |
20150901084754 |
17.369 ± 0.056 |
0,0 |
100 |
2 |
| z |
20190505170726 |
17.340 ± 0.058 |
0,0 |
100 |
2 |
| z |
20190508164202 |
17.355 ± 0.058 |
1,0 |
100 |
2 |
| z |
20190720124943 |
17.343 ± 0.074 |
17,0 |
100 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
0.6 |
1.94 |
| GAIA source ID |
4121011293640768640 |
4121011297967921536 |
| Bp mag. |
19.510 |
-- |
| G mag. |
18.703 |
20.781 |
| Rp mag. |
17.776 |
-- |
| Bp/Rp excess |
1.333 |
-- |
| Parallax (mas) |
-0.077 ± 0.195 |
-- ± -- |
| PM RA (mas/yr) |
-3.169 ± 0.242 |
-- ± -- |
| PM Dec (mas/yr) |
-5.486 ± 0.171 |
-- ± -- |
| A.E.N. (mas) |
0.421 ± 0.970 |
0.846 ± 0.069 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
19.578
±
0.008
|
| r |
18.550
±
0.003
|
| i |
18.041
±
0.007
|
| z |
17.735
±
0.008
|
| Y |
--
±
--
|
| J |
16.443
±
0.017
|
| H |
--
±
--
|
| K |
15.819
±
0.032
|
| 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. |
