Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 179803084 (SMSS J172457.65-204533.8)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 261.240 |
|---|
| Dec (deg) | -20.759 |
|---|
| Galactic lon. (deg) | 4.404 |
|---|
| Galactic lat. (deg) | 8.337 |
|---|
| E(B-V) (SFD98) (mag) | 0.732 |
|---|
| E(B-V) (GNILC) (mag) | 0.644 ± 0.028 |
|---|
| Nearest DR4 source |
179803064 (5.4 arcs away) |
| 2nd-nearest DR4 source |
179803097 (11.1 arcs away) |
| 3rd-nearest DR4 source |
179803063 (11.4 arcs away) |
| Times observed | 8 |
|---|
| Total bad pixels | 0 |
|---|
| Observing flags | 3 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
19.716 ± 0.033 |
18.906 ± 0.047 |
18.292 ± 0.071 |
17.955 ± 0.024 |
| Petrosian mag. |
— |
— |
20.154 ± 0.183 |
19.487 ± 0.134 |
18.625 ± 0.244 |
18.142 ± 0.144 |
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 |
20190506165109 |
19.735 ± 0.076 |
1,0 |
100 |
2 |
| r |
20190505165926 |
18.861 ± 0.071 |
3,0 |
100 |
2 |
| r |
20190506165309 |
18.955 ± 0.069 |
3,0 |
100 |
2 |
| i |
20140729111202 |
18.022 ± 0.126 |
0,0 |
10 |
2 |
| i |
20150901084153 |
18.200 ± 0.067 |
1025,0 |
100 |
2 |
| i |
20150901084554 |
18.304 ± 0.068 |
1,0 |
100 |
2 |
| i |
20190505170526 |
18.339 ± 0.074 |
1025,0 |
100 |
2 |
| z |
20140729111235 |
17.928 ± 0.152 |
0,0 |
20 |
2 |
| z |
20150901084353 |
17.970 ± 0.089 |
0,0 |
100 |
2 |
| z |
20150901084754 |
17.998 ± 0.091 |
1,0 |
100 |
2 |
| z |
20190505170726 |
18.011 ± 0.099 |
1024,0 |
100 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
0.15 |
1.83 |
| GAIA source ID |
4121124685116954752 |
4121124685083851648 |
| Bp mag. |
19.637 |
-- |
| G mag. |
18.855 |
20.956 |
| Rp mag. |
17.966 |
-- |
| Bp/Rp excess |
1.308 |
-- |
| Parallax (mas) |
-0.034 ± 0.219 |
-- ± -- |
| PM RA (mas/yr) |
-1.973 ± 0.285 |
-- ± -- |
| PM Dec (mas/yr) |
-0.638 ± 0.198 |
-- ± -- |
| A.E.N. (mas) |
0.0 ± 0.0 |
3.122 ± 0.617 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
19.817
±
0.012
|
| r |
18.766
±
0.004
|
| i |
18.269
±
0.016
|
| z |
17.972
±
0.018
|
| Y |
--
±
--
|
| J |
16.622
±
0.017
|
| H |
--
±
--
|
| K |
15.971
±
0.033
|
| 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. |
