Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 179821174 (SMSS J172717.28-204921.7)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 261.8224 |
|---|
| Dec (deg) | -20.8226 |
|---|
| Galactic lon. (deg) | 4.6508 |
|---|
| Galactic lat. (deg) | 7.8467 |
|---|
| E(B-V) (SFD98) (mag) | 0.983 |
|---|
| E(B-V) (GNILC) (mag) | 0.903 ± 0.044 |
|---|
| Nearest DR4 source |
179821175 (2.3 arcs away) |
| 2nd-nearest DR4 source |
179821173 (10.8 arcs away) |
| 3rd-nearest DR4 source |
179821176 (11.7 arcs away) |
| Times observed | 21 |
|---|
| Total bad pixels | 0 |
|---|
| Observing flags | 3 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
19.187 ± 0.171 |
18.166 ± 0.180 |
17.803 ± 0.026 |
17.392 ± 0.019 |
| Petrosian mag. |
— |
— |
19.591 ± 0.354 |
18.593 ± 0.169 |
17.986 ± 0.115 |
17.435 ± 0.050 |
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 |
19.567 ± 0.059 |
16,0 |
100 |
2 |
| g |
20190506165109 |
19.463 ± 0.056 |
0,0 |
100 |
2 |
| g |
20190507143127 |
19.555 ± 0.058 |
0,0 |
100 |
2 |
| r |
20140729111131 |
18.857 ± 0.201 |
512,0 |
5 |
2 |
| r |
20190505165926 |
18.520 ± 0.049 |
16,0 |
100 |
2 |
| r |
20190506165309 |
18.482 ± 0.047 |
1,0 |
100 |
2 |
| r |
20190507143327 |
18.476 ± 0.048 |
1,0 |
100 |
2 |
| i |
20140722114229 |
17.842 ± 0.110 |
0,0 |
10 |
2 |
| i |
20140729111202 |
17.736 ± 0.097 |
0,0 |
10 |
2 |
| i |
20150901084153 |
17.816 ± 0.052 |
3,0 |
100 |
2 |
| i |
20150901084554 |
17.832 ± 0.048 |
3,0 |
100 |
2 |
| i |
20160420170134 |
17.779 ± 0.127 |
0,0 |
10 |
2 |
| i |
20190505170526 |
17.779 ± 0.048 |
3,0 |
100 |
2 |
| i |
20190508164002 |
17.715 ± 0.049 |
1,0 |
100 |
2 |
| i |
20190509140533 |
17.723 ± 0.062 |
0,0 |
100 |
2 |
| z |
20140722114259 |
17.578 ± 0.111 |
0,0 |
20 |
2 |
| z |
20140729111235 |
17.431 ± 0.098 |
0,0 |
20 |
2 |
| z |
20150901084353 |
17.354 ± 0.057 |
3,0 |
100 |
2 |
| z |
20150901084754 |
17.384 ± 0.056 |
3,0 |
100 |
2 |
| z |
20160420170204 |
17.384 ± 0.114 |
0,0 |
20 |
2 |
| z |
20190505170726 |
17.375 ± 0.059 |
3,0 |
100 |
2 |
| z |
20190508164202 |
17.337 ± 0.058 |
0,0 |
100 |
2 |
| z |
20190509140733 |
17.382 ± 0.074 |
0,0 |
100 |
2 |
| z |
20200513183957 |
17.331 ± 0.071 |
1,0 |
100 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
1.43 |
2.33 |
| GAIA source ID |
4121023079019213184 |
4121023079023169024 |
| Bp mag. |
19.536 |
19.605 |
| G mag. |
18.507 |
18.710 |
| Rp mag. |
17.54 |
17.714 |
| Bp/Rp excess |
1.307 |
1.372 |
| Parallax (mas) |
0.595 ± 0.177 |
0.022 ± 0.185 |
| PM RA (mas/yr) |
-0.094 ± 0.228 |
-3.838 ± 0.242 |
| PM Dec (mas/yr) |
-5.052 ± 0.166 |
-7.345 ± 0.175 |
| A.E.N. (mas) |
0.561 ± 2.148 |
0.146 ± 0.117 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
19.913
±
0.009
|
| r |
18.646
±
0.004
|
| i |
18.022
±
0.007
|
| z |
17.656
±
0.006
|
| Y |
--
±
--
|
| J |
15.945
±
0.011
|
| H |
--
±
--
|
| K |
15.165
±
0.018
|
| W1 |
14.843
±
0.016
|
| W2 |
15.464
±
0.072
|
| 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. |
