Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 179821044 (SMSS J172718.99-205035.9)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 261.8292 |
|---|
| Dec (deg) | -20.8434 |
|---|
| Galactic lon. (deg) | 4.6367 |
|---|
| Galactic lat. (deg) | 7.8301 |
|---|
| E(B-V) (SFD98) (mag) | 0.983 |
|---|
| E(B-V) (GNILC) (mag) | 0.971 ± 0.050 |
|---|
| Nearest DR4 source |
179821040 (4.9 arcs away) |
| 2nd-nearest DR4 source |
179821039 (9.8 arcs away) |
| 3rd-nearest DR4 source |
179821043 (11.2 arcs away) |
| Times observed | 4 |
|---|
| Total bad pixels | 0 |
|---|
| Observing flags | 0 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
— |
— |
18.847 ± 0.034 |
18.439 ± 0.050 |
| Petrosian mag. |
— |
— |
— |
— |
18.809 ± 0.190 |
18.860 ± 0.166 |
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) |
| i |
20150901084153 |
18.894 ± 0.117 |
0,0 |
100 |
2 |
| i |
20150901084554 |
18.793 ± 0.097 |
0,0 |
100 |
2 |
| z |
20150901084353 |
18.630 ± 0.157 |
0,0 |
100 |
2 |
| z |
20150901084754 |
18.553 ± 0.144 |
0,0 |
100 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
0.23 |
0.32 |
| GAIA source ID |
4121011263600604416 |
4121011263600604288 |
| Bp mag. |
20.602 |
20.380 |
| G mag. |
20.053 |
19.985 |
| Rp mag. |
18.457 |
18.442 |
| Bp/Rp excess |
2.268 |
2.247 |
| Parallax (mas) |
-- ± -- |
-- ± -- |
| PM RA (mas/yr) |
-- ± -- |
-- ± -- |
| PM Dec (mas/yr) |
-- ± -- |
-- ± -- |
| A.E.N. (mas) |
8.046 ± 13.671 |
7.226 ± 36.549 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
20.853
±
0.020
|
| r |
19.585
±
0.006
|
| i |
17.149
±
0.008
|
| z |
18.568
±
0.017
|
| Y |
--
±
--
|
| J |
16.878
±
0.025
|
| H |
--
±
--
|
| K |
16.135
±
0.043
|
| W1 |
16.208
±
0.044
|
| W2 |
16.003
±
0.095
|
| 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. |
