Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 179821175 (SMSS J172717.54-204920.4)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 261.8231 |
|---|
| Dec (deg) | -20.8223 |
|---|
| Galactic lon. (deg) | 4.6513 |
|---|
| Galactic lat. (deg) | 7.8463 |
|---|
| E(B-V) (SFD98) (mag) | 0.983 |
|---|
| E(B-V) (GNILC) (mag) | 0.903 ± 0.044 |
|---|
| Nearest DR4 source |
179821174 (2.3 arcs away) |
| 2nd-nearest DR4 source |
179821176 (10.6 arcs away) |
| 3rd-nearest DR4 source |
179821178 (10.8 arcs away) |
| Times observed | 4 |
|---|
| Total bad pixels | 0 |
|---|
| Observing flags | 1 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
— |
18.603 ± 0.172 |
18.094 ± 0.052 |
17.638 ± 0.050 |
| Petrosian mag. |
— |
— |
— |
18.825 ± 0.170 |
18.312 ± 0.186 |
17.892 ± 0.14 |
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) |
| r |
20140729111131 |
18.721 ± 0.177 |
0,0 |
5 |
2 |
| i |
20140722114229 |
18.235 ± 0.153 |
513,0 |
10 |
2 |
| i |
20140729111202 |
18.175 ± 0.138 |
0,0 |
10 |
2 |
| i |
20150901084153 |
18.147 ± 0.064 |
1027,0 |
100 |
2 |
| i |
20150901084554 |
18.155 ± 0.059 |
1027,0 |
100 |
2 |
| i |
20190505170526 |
18.179 ± 0.062 |
1027,0 |
100 |
2 |
| z |
20140722114259 |
17.621 ± 0.115 |
0,0 |
20 |
2 |
| z |
20140729111235 |
17.760 ± 0.129 |
1,0 |
20 |
2 |
| z |
20150901084353 |
17.736 ± 0.075 |
1027,0 |
100 |
2 |
| z |
20150901084754 |
17.842 ± 0.079 |
1027,0 |
100 |
2 |
| z |
20190505170726 |
17.751 ± 0.078 |
1043,0 |
100 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
0.02 |
3.77 |
| GAIA source ID |
4121023079023169024 |
4121023079019213184 |
| Bp mag. |
19.605 |
19.536 |
| G mag. |
18.710 |
18.507 |
| Rp mag. |
17.714 |
17.54 |
| Bp/Rp excess |
1.372 |
1.307 |
| Parallax (mas) |
0.022 ± 0.185 |
0.595 ± 0.177 |
| PM RA (mas/yr) |
-3.838 ± 0.242 |
-0.094 ± 0.228 |
| PM Dec (mas/yr) |
-7.345 ± 0.175 |
-5.052 ± 0.166 |
| A.E.N. (mas) |
0.146 ± 0.117 |
0.561 ± 2.148 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
20.017
±
0.009
|
| r |
18.837
±
0.005
|
| i |
18.234
±
0.007
|
| z |
17.894
±
0.007
|
| Y |
--
±
--
|
| J |
16.255
±
0.014
|
| H |
--
±
--
|
| K |
15.614
±
0.027
|
| 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. |
