Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 179821021 (SMSS J172716.08-205048.7)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 261.8170 |
|---|
| Dec (deg) | -20.8469 |
|---|
| Galactic lon. (deg) | 4.6274 |
|---|
| Galactic lat. (deg) | 7.8377 |
|---|
| E(B-V) (SFD98) (mag) | 0.940 |
|---|
| E(B-V) (GNILC) (mag) | 0.929 ± 0.041 |
|---|
| Nearest DR4 source |
179821034 (9.7 arcs away) |
| 2nd-nearest DR4 source |
179821035 (11.2 arcs away) |
| 3rd-nearest DR4 source |
179821020 (12.6 arcs away) |
| Times observed | 20 |
|---|
| Total bad pixels | 0 |
|---|
| Observing flags | 0 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
18.742 ± 0.021 |
18.024 ± 0.017 |
17.5 ± 0.017 |
17.243 ± 0.029 |
| Petrosian mag. |
— |
— |
18.988 ± 0.060 |
18.254 ± 0.034 |
17.734 ± 0.040 |
17.541 ± 0.103 |
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 |
20140729111106 |
19.223 ± 0.215 |
512,0 |
5 |
2 |
| g |
20190505165725 |
18.789 ± 0.035 |
0,0 |
100 |
2 |
| g |
20190506165109 |
18.750 ± 0.036 |
0,0 |
100 |
2 |
| g |
20190507143127 |
18.728 ± 0.034 |
0,0 |
100 |
2 |
| r |
20140722114203 |
18.155 ± 0.117 |
512,0 |
5 |
2 |
| r |
20140729111131 |
18.055 ± 0.101 |
0,0 |
5 |
2 |
| r |
20160420170109 |
18.019 ± 0.142 |
0,0 |
5 |
2 |
| r |
20190505165926 |
18.097 ± 0.038 |
0,0 |
100 |
2 |
| r |
20190506165309 |
18.085 ± 0.038 |
0,0 |
100 |
2 |
| r |
20190507143327 |
18.046 ± 0.041 |
0,0 |
100 |
2 |
| i |
20140719115004 |
17.629 ± 0.097 |
0,0 |
10 |
2 |
| i |
20140722114229 |
17.795 ± 0.106 |
0,0 |
10 |
2 |
| i |
20140729111202 |
17.498 ± 0.080 |
0,0 |
10 |
2 |
| i |
20150901084153 |
17.484 ± 0.043 |
0,0 |
100 |
2 |
| i |
20150901084554 |
17.538 ± 0.041 |
0,0 |
100 |
2 |
| i |
20160420170134 |
17.720 ± 0.120 |
0,0 |
10 |
2 |
| i |
20190419150817 |
17.507 ± 0.054 |
0,0 |
100 |
2 |
| i |
20190505170526 |
17.519 ± 0.042 |
0,0 |
100 |
2 |
| i |
20190508164002 |
17.643 ± 0.047 |
1024,0 |
100 |
2 |
| i |
20190720124743 |
17.543 ± 0.065 |
0,0 |
100 |
2 |
| z |
20140722114259 |
17.394 ± 0.096 |
512,0 |
20 |
2 |
| z |
20140729111235 |
17.344 ± 0.091 |
0,0 |
20 |
2 |
| z |
20150901084353 |
17.198 ± 0.052 |
1024,0 |
100 |
2 |
| z |
20150901084754 |
17.184 ± 0.049 |
1024,0 |
100 |
2 |
| z |
20160420170204 |
17.325 ± 0.108 |
0,0 |
20 |
2 |
| z |
20190419151018 |
17.296 ± 0.065 |
1024,0 |
100 |
2 |
| z |
20190505170726 |
17.226 ± 0.053 |
1024,0 |
100 |
2 |
| z |
20190508164202 |
17.223 ± 0.053 |
0,0 |
100 |
2 |
| z |
20190720124943 |
17.204 ± 0.070 |
16,0 |
100 |
2 |
| z |
20200513183957 |
17.325 ± 0.071 |
1024,0 |
100 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
0.07 |
4.4 |
| GAIA source ID |
4121011293628930048 |
4121011297964067072 |
| Bp mag. |
18.642 |
21.188 |
| G mag. |
17.937 |
20.791 |
| Rp mag. |
17.118 |
19.801 |
| Bp/Rp excess |
1.274 |
1.551 |
| Parallax (mas) |
0.201 ± 0.123 |
-- ± -- |
| PM RA (mas/yr) |
-3.498 ± 0.144 |
-- ± -- |
| PM Dec (mas/yr) |
-2.918 ± 0.103 |
-- ± -- |
| A.E.N. (mas) |
0.023 ± 0.008 |
4.139 ± 1.730 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
18.898
±
0.006
|
| r |
18.087
±
0.002
|
| i |
17.680
±
0.008
|
| z |
17.394
±
0.008
|
| Y |
--
±
--
|
| J |
15.971
±
0.011
|
| H |
--
±
--
|
| K |
15.474
±
0.024
|
| W1 |
15.553
±
0.034
|
| W2 |
16.437
±
0.195
|
| 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. |
