Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 179855478 (SMSS J172705.04-202937.4)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 261.771 |
|---|
| Dec (deg) | -20.494 |
|---|
| Galactic lon. (deg) | 4.903 |
|---|
| Galactic lat. (deg) | 8.066 |
|---|
| E(B-V) (SFD98) (mag) | 0.775 |
|---|
| E(B-V) (GNILC) (mag) | 0.640 ± 0.033 |
|---|
| Nearest DR4 source |
179855477 (6.3 arcs away) |
| 2nd-nearest DR4 source |
179855481 (6.4 arcs away) |
| 3rd-nearest DR4 source |
179855479 (6.4 arcs away) |
| Times observed | 8 |
|---|
| Total bad pixels | 0 |
|---|
| Observing flags | 0 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
— |
18.98 ± 0.362 |
18.386 ± 0.130 |
17.986 ± 0.124 |
| Petrosian mag. |
— |
— |
— |
18.276 ± 0.071 |
18.017 ± 0.059 |
17.581 ± 0.273 |
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 |
19.293 ± 0.086 |
0,0 |
100 |
2 |
| i |
20150901084153 |
18.632 ± 0.094 |
0,0 |
100 |
2 |
| i |
20150901084554 |
18.565 ± 0.091 |
0,0 |
100 |
2 |
| i |
20190505170526 |
18.608 ± 0.093 |
0,0 |
100 |
2 |
| i |
20190509140533 |
18.618 ± 0.102 |
0,0 |
100 |
2 |
| z |
20150901084353 |
18.119 ± 0.101 |
0,0 |
100 |
2 |
| z |
20150901084754 |
18.042 ± 0.1 |
0,0 |
100 |
2 |
| z |
20190505170726 |
18.179 ± 0.115 |
0,0 |
100 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
0.21 |
2.22 |
| GAIA source ID |
4121225526616515456 |
4121225599625683968 |
| Bp mag. |
20.173 |
21.597 |
| G mag. |
19.230 |
20.617 |
| Rp mag. |
18.270 |
19.666 |
| Bp/Rp excess |
1.323 |
1.305 |
| Parallax (mas) |
0.305 ± 0.379 |
-- ± -- |
| PM RA (mas/yr) |
1.131 ± 0.432 |
-- ± -- |
| PM Dec (mas/yr) |
-6.246 ± 0.288 |
-- ± -- |
| A.E.N. (mas) |
0.237 ± 0.185 |
0.842 ± 0.142 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
20.584
±
0.027
|
| r |
19.142
±
0.011
|
| i |
18.588
±
0.014
|
| z |
18.250
±
0.014
|
| Y |
--
±
--
|
| J |
16.700
±
0.021
|
| H |
--
±
--
|
| K |
15.884
±
0.035
|
| 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. |
