Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 179829525 (SMSS J172557.90-204255.1)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 261.4912 |
|---|
| Dec (deg) | -20.7154 |
|---|
| Galactic lon. (deg) | 4.5708 |
|---|
| Galactic lat. (deg) | 8.1647 |
|---|
| E(B-V) (SFD98) (mag) | 0.876 |
|---|
| E(B-V) (GNILC) (mag) | 0.721 ± 0.051 |
|---|
| Nearest DR4 source |
179829526 (6.9 arcs away) |
| 2nd-nearest DR4 source |
179829523 (7.2 arcs away) |
| 3rd-nearest DR4 source |
2268062148 (8.1 arcs away) |
| Times observed | 6 |
|---|
| Total bad pixels | 3 |
|---|
| Observing flags | 3 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
20.027 ± 0.111 |
— |
18.427 ± 0.098 |
18.190 ± 0.044 |
| Petrosian mag. |
— |
— |
19.636 ± 0.139 |
— |
17.686 ± 0.098 |
18.172 ± 0.151 |
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 |
20.103 ± 0.095 |
1,0 |
100 |
2 |
| i |
20150901084554 |
18.885 ± 0.102 |
0,14 |
100 |
2 |
| i |
20190509140533 |
18.435 ± 0.088 |
1,0 |
100 |
2 |
| z |
20140729111235 |
18.059 ± 0.163 |
0,0 |
20 |
2 |
| z |
20150901084353 |
18.283 ± 0.115 |
0,0 |
100 |
2 |
| z |
20150901084754 |
18.291 ± 0.112 |
2,3 |
100 |
2 |
| z |
20190505170726 |
18.143 ± 0.111 |
0,0 |
100 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
0.52 |
2.48 |
| GAIA source ID |
4121123104527836288 |
4121123104569362688 |
| Bp mag. |
19.875 |
21.724 |
| G mag. |
19.234 |
20.495 |
| Rp mag. |
18.17 |
19.722 |
| Bp/Rp excess |
1.524 |
1.091 |
| Parallax (mas) |
-- ± -- |
-0.583 ± 0.874 |
| PM RA (mas/yr) |
-- ± -- |
-4.124 ± 1.134 |
| PM Dec (mas/yr) |
-- ± -- |
-4.797 ± 0.773 |
| A.E.N. (mas) |
17.135 ± 583.546 |
0.0 ± 0.0 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
20.280
±
0.013
|
| r |
19.200
±
0.005
|
| i |
18.632
±
0.011
|
| z |
18.307
±
0.011
|
| Y |
--
±
--
|
| J |
16.797
±
0.023
|
| H |
--
±
--
|
| K |
16.201
±
0.047
|
| W1 |
16.141
±
0.044
|
| W2 |
17.17
±
0.358
|
| 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. |
