Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 179821059 (SMSS J172714.98-204947.5)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 261.8125 |
|---|
| Dec (deg) | -20.8299 |
|---|
| Galactic lon. (deg) | 4.6394 |
|---|
| Galactic lat. (deg) | 7.8505 |
|---|
| E(B-V) (SFD98) (mag) | 0.940 |
|---|
| E(B-V) (GNILC) (mag) | 0.861 ± 0.037 |
|---|
| Nearest DR4 source |
179821061 (5.3 arcs away) |
| 2nd-nearest DR4 source |
179821060 (7.5 arcs away) |
| 3rd-nearest DR4 source |
179821056 (10.9 arcs away) |
| Times observed | 7 |
|---|
| Total bad pixels | 0 |
|---|
| Observing flags | 0 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
— |
19.479 ± 0.085 |
18.686 ± 0.028 |
18.206 ± 0.032 |
| Petrosian mag. |
— |
— |
— |
19.472 ± 0.142 |
18.724 ± 0.108 |
18.250 ± 0.105 |
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 |
20190506165309 |
19.578 ± 0.110 |
0,0 |
100 |
2 |
| i |
20150901084153 |
18.765 ± 0.105 |
0,0 |
100 |
2 |
| i |
20150901084554 |
18.740 ± 0.093 |
0,0 |
100 |
2 |
| i |
20190505170526 |
18.780 ± 0.098 |
0,0 |
100 |
2 |
| z |
20150901084353 |
18.290 ± 0.117 |
0,0 |
100 |
2 |
| z |
20150901084754 |
18.279 ± 0.114 |
0,0 |
100 |
2 |
| z |
20190505170726 |
18.434 ± 0.139 |
0,0 |
100 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
0.38 |
0.54 |
| GAIA source ID |
4121023048990985600 |
4121023048990985472 |
| Bp mag. |
20.385 |
-- |
| G mag. |
19.610 |
20.238 |
| Rp mag. |
18.288 |
-- |
| Bp/Rp excess |
1.777 |
-- |
| Parallax (mas) |
1.313 ± 0.695 |
-- ± -- |
| PM RA (mas/yr) |
0.840 ± 0.854 |
-- ± -- |
| PM Dec (mas/yr) |
-5.969 ± 0.583 |
-- ± -- |
| A.E.N. (mas) |
4.556 ± 35.168 |
2.291 ± 1.807 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
20.671
±
0.014
|
| r |
19.358
±
0.007
|
| i |
18.718
±
0.011
|
| z |
18.331
±
0.011
|
| Y |
--
±
--
|
| J |
16.725
±
0.022
|
| H |
--
±
--
|
| K |
15.942
±
0.036
|
| W1 |
16.304
±
0.052
|
| W2 |
17.025
±
0.408
|
| 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. |
