Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 179821017 (SMSS J172714.10-205049.5)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 261.8087 |
|---|
| Dec (deg) | -20.8471 |
|---|
| Galactic lon. (deg) | 4.6230 |
|---|
| Galactic lat. (deg) | 7.8440 |
|---|
| E(B-V) (SFD98) (mag) | 0.940 |
|---|
| E(B-V) (GNILC) (mag) | 0.929 ± 0.041 |
|---|
| Nearest DR4 source |
179821018 (11.1 arcs away) |
| 2nd-nearest DR4 source |
179819791 (11.6 arcs away) |
| 3rd-nearest DR4 source |
179821019 (12.4 arcs away) |
| Times observed | 15 |
|---|
| Total bad pixels | 0 |
|---|
| Observing flags | 0 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
19.836 ± 0.02 |
18.872 ± 0.020 |
18.075 ± 0.017 |
17.604 ± 0.058 |
| Petrosian mag. |
— |
— |
20.694 ± 0.140 |
19.319 ± 0.076 |
18.325 ± 0.097 |
17.976 ± 0.106 |
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 |
19.907 ± 0.078 |
0,0 |
100 |
2 |
| g |
20190506165109 |
19.872 ± 0.077 |
0,0 |
100 |
2 |
| g |
20190507143127 |
19.790 ± 0.069 |
0,0 |
100 |
2 |
| g |
20190822094124 |
19.816 ± 0.072 |
0,0 |
100 |
2 |
| r |
20140729111131 |
19.060 ± 0.238 |
512,0 |
5 |
2 |
| r |
20190505165926 |
18.982 ± 0.068 |
1024,0 |
100 |
2 |
| r |
20190506165309 |
18.895 ± 0.063 |
0,0 |
100 |
2 |
| r |
20190507143327 |
18.894 ± 0.059 |
0,0 |
100 |
2 |
| r |
20190822094324 |
18.845 ± 0.058 |
0,0 |
100 |
2 |
| i |
20140729111202 |
18.069 ± 0.126 |
0,0 |
10 |
2 |
| i |
20150901084153 |
18.153 ± 0.064 |
0,0 |
100 |
2 |
| i |
20150901084554 |
18.070 ± 0.056 |
0,0 |
100 |
2 |
| i |
20190505170526 |
18.058 ± 0.057 |
0,0 |
100 |
2 |
| i |
20190508164002 |
18.268 ± 0.073 |
1024,0 |
100 |
2 |
| i |
20190720124743 |
18.171 ± 0.081 |
0,0 |
100 |
2 |
| z |
20140722114259 |
17.841 ± 0.139 |
0,0 |
20 |
2 |
| z |
20140729111235 |
17.618 ± 0.114 |
0,0 |
20 |
2 |
| z |
20150901084353 |
17.703 ± 0.073 |
1024,0 |
100 |
2 |
| z |
20150901084754 |
17.631 ± 0.067 |
1024,0 |
100 |
2 |
| z |
20190505170726 |
17.729 ± 0.077 |
1024,0 |
100 |
2 |
| z |
20190508164202 |
17.803 ± 0.083 |
1024,0 |
100 |
2 |
| z |
20190720124943 |
17.681 ± 0.087 |
0,0 |
100 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
0.2 |
2.29 |
| GAIA source ID |
4121011190553687936 |
4121011194886548352 |
| Bp mag. |
19.588 |
-- |
| G mag. |
18.602 |
20.788 |
| Rp mag. |
17.66 |
-- |
| Bp/Rp excess |
1.295 |
-- |
| Parallax (mas) |
0.180 ± 0.188 |
-- ± -- |
| PM RA (mas/yr) |
-5.308 ± 0.235 |
-- ± -- |
| PM Dec (mas/yr) |
-4.687 ± 0.164 |
-- ± -- |
| A.E.N. (mas) |
0.489 ± 1.493 |
0.0 ± 0.0 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
19.936
±
0.011
|
| r |
18.824
±
0.004
|
| i |
18.206
±
0.012
|
| z |
17.852
±
0.011
|
| Y |
--
±
--
|
| J |
16.181
±
0.013
|
| H |
--
±
--
|
| K |
15.439
±
0.023
|
| W1 |
15.511
±
0.022
|
| W2 |
17.529
±
--
|
| 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. |
