Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 179900598 (SMSS J172817.49-203638.2)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 262.0729 |
|---|
| Dec (deg) | -20.6107 |
|---|
| Galactic lon. (deg) | 4.9589 |
|---|
| Galactic lat. (deg) | 7.7653 |
|---|
| E(B-V) (SFD98) (mag) | 0.862 |
|---|
| E(B-V) (GNILC) (mag) | 0.742 ± 0.036 |
|---|
| Nearest DR4 source |
2268139416 (4.3 arcs away) |
| 2nd-nearest DR4 source |
179900597 (6.2 arcs away) |
| 3rd-nearest DR4 source |
179900600 (9.4 arcs away) |
| Times observed | 22 |
|---|
| Total bad pixels | 0 |
|---|
| Observing flags | 3 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
18.226 ± 0.023 |
17.187 ± 0.023 |
16.351 ± 0.013 |
15.887 ± 0.012 |
| Petrosian mag. |
— |
— |
18.411 ± 0.045 |
17.268 ± 0.120 |
16.476 ± 0.029 |
16.036 ± 0.021 |
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 |
20140722114132 |
18.377 ± 0.119 |
512,0 |
5 |
2 |
| g |
20190506165109 |
18.239 ± 0.027 |
3,0 |
100 |
2 |
| r |
20140719114939 |
17.282 ± 0.072 |
1,0 |
5 |
2 |
| r |
20140722114203 |
17.169 ± 0.059 |
0,0 |
5 |
2 |
| r |
20160420172325 |
17.349 ± 0.078 |
0,0 |
5 |
2 |
| r |
20180605125736 |
17.234 ± 0.084 |
0,0 |
5 |
2 |
| r |
20210407183558 |
17.136 ± 0.068 |
3,0 |
5 |
2 |
| i |
20140719115004 |
16.382 ± 0.043 |
3,0 |
10 |
2 |
| i |
20140722114229 |
16.323 ± 0.043 |
3,0 |
10 |
2 |
| i |
20150901084153 |
16.392 ± 0.031 |
3,0 |
100 |
2 |
| i |
20160420172350 |
16.414 ± 0.045 |
0,0 |
10 |
2 |
| i |
20180605125802 |
16.354 ± 0.054 |
3,0 |
10 |
2 |
| i |
20190505170526 |
16.348 ± 0.032 |
3,0 |
100 |
2 |
| i |
20200524153441 |
16.479 ± 0.053 |
3,6 |
10 |
2 |
| i |
20210407183626 |
16.363 ± 0.047 |
3,0 |
10 |
2 |
| z |
20140719115035 |
15.884 ± 0.041 |
3,0 |
20 |
2 |
| z |
20140722114259 |
15.913 ± 0.037 |
1027,0 |
20 |
2 |
| z |
20150901084353 |
15.878 ± 0.028 |
3,0 |
100 |
2 |
| z |
20160420172420 |
15.906 ± 0.038 |
0,0 |
20 |
2 |
| z |
20180605125833 |
15.987 ± 0.052 |
3,0 |
20 |
2 |
| z |
20190505170726 |
15.888 ± 0.032 |
3,0 |
100 |
2 |
| z |
20190508164202 |
15.887 ± 0.031 |
3,0 |
100 |
2 |
| z |
20190509140733 |
15.908 ± 0.054 |
3,0 |
100 |
2 |
| z |
20210407183658 |
15.893 ± 0.043 |
3,0 |
20 |
2 |
| z |
20210411183118 |
15.994 ± 0.048 |
3,0 |
20 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
0.14 |
3.63 |
| GAIA source ID |
4121022190030510080 |
4121022189993076608 |
| Bp mag. |
18.031 |
20.178 |
| G mag. |
16.985 |
19.525 |
| Rp mag. |
15.988 |
18.585 |
| Bp/Rp excess |
1.331 |
1.397 |
| Parallax (mas) |
-0.121 ± 0.104 |
-0.470 ± 0.651 |
| PM RA (mas/yr) |
-3.360 ± 0.096 |
-2.094 ± 0.525 |
| PM Dec (mas/yr) |
-7.575 ± 0.080 |
-5.817 ± 0.427 |
| A.E.N. (mas) |
0.0 ± 0.0 |
0.0 ± 0.0 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
--
±
--
|
| r |
17.245
±
0.002
|
| i |
--
±
--
|
| z |
--
±
--
|
| Y |
--
±
--
|
| J |
14.525
±
0.023
|
| H |
13.681
±
0.02
|
| K |
13.405
±
0.029
|
| W1 |
13.288
±
0.017
|
| W2 |
13.458
±
0.02
|
| 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. |
