Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 179821254 (SMSS J172719.67-205004.9)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 261.8320 |
|---|
| Dec (deg) | -20.8348 |
|---|
| Galactic lon. (deg) | 4.6454 |
|---|
| Galactic lat. (deg) | 7.8326 |
|---|
| E(B-V) (SFD98) (mag) | 0.983 |
|---|
| E(B-V) (GNILC) (mag) | 0.903 ± 0.044 |
|---|
| Nearest DR4 source |
179821255 (6.4 arcs away) |
| 2nd-nearest DR4 source |
179821251 (7.8 arcs away) |
| 3rd-nearest DR4 source |
179821256 (9.3 arcs away) |
| Times observed | 6 |
|---|
| Total bad pixels | 0 |
|---|
| Observing flags | 1 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
— |
19.480 ± 0.036 |
18.590 ± 0.053 |
18.123 ± 0.082 |
| Petrosian mag. |
— |
— |
— |
18.947 ± 0.208 |
18.585 ± 0.093 |
17.893 ± 0.1 |
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 |
19.510 ± 0.104 |
0,0 |
100 |
2 |
| r |
20190507143327 |
19.455 ± 0.088 |
1,0 |
100 |
2 |
| i |
20150901084153 |
18.513 ± 0.085 |
0,0 |
100 |
2 |
| i |
20150901084554 |
18.625 ± 0.085 |
0,0 |
100 |
2 |
| z |
20150901084353 |
18.100 ± 0.100 |
0,0 |
100 |
2 |
| z |
20150901084754 |
18.178 ± 0.104 |
0,0 |
100 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
0.16 |
1.4 |
| GAIA source ID |
4121011332320116224 |
4121011332320115968 |
| Bp mag. |
20.153 |
-- |
| G mag. |
19.683 |
20.707 |
| Rp mag. |
18.192 |
-- |
| Bp/Rp excess |
2.133 |
-- |
| Parallax (mas) |
-2.029 ± 0.566 |
-- ± -- |
| PM RA (mas/yr) |
-1.403 ± 0.691 |
-- ± -- |
| PM Dec (mas/yr) |
-1.572 ± 0.478 |
-- ± -- |
| A.E.N. (mas) |
3.320 ± 15.237 |
0.0 ± 0.000 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
20.495
±
0.014
|
| r |
19.197
±
0.005
|
| i |
18.500
±
0.011
|
| z |
18.083
±
0.011
|
| Y |
--
±
--
|
| J |
16.772
±
0.023
|
| H |
--
±
--
|
| K |
16.041
±
0.040
|
| W1 |
15.652
±
0.031
|
| W2 |
15.664
±
0.078
|
| 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. |
