Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 184980991 (SMSS J172113.63-201425.5)
Find on 
| Data release | DR4 |
|---|
| RA (deg) | 260.3070 |
|---|
| Dec (deg) | -20.2405 |
|---|
| Galactic lon. (deg) | 4.3547 |
|---|
| Galactic lat. (deg) | 9.3524 |
|---|
| E(B-V) (SFD98) (mag) | 0.468 |
|---|
| E(B-V) (GNILC) (mag) | 0.392 ± 0.017 |
|---|
| Nearest DR4 source |
2275599610 (6.5 arcs away) |
| 2nd-nearest DR4 source |
184980990 (7.3 arcs away) |
| 3rd-nearest DR4 source |
184980989 (7.9 arcs away) |
| Times observed | 10 |
|---|
| Total bad pixels | 0 |
|---|
| Observing flags | 3 |
|---|
Magnitudes
| Filter |
u |
v |
g |
r |
i |
z |
| PSF mag. |
— |
— |
18.285 ± 0.273 |
17.586 ± 0.211 |
17.172 ± 0.158 |
17.031 ± 0.108 |
| Petrosian mag. |
— |
— |
18.193 ± 0.047 |
17.396 ± 0.063 |
16.883 ± 0.058 |
16.765 ± 0.124 |
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 |
20180718115326 |
18.511 ± 0.045 |
3,0 |
100 |
2 |
| r |
20140626130951 |
17.829 ± 0.097 |
1,0 |
5 |
2 |
| r |
20180718115528 |
17.752 ± 0.041 |
3,0 |
100 |
2 |
| i |
20140626131016 |
17.371 ± 0.080 |
1,0 |
10 |
2 |
| i |
20160420170134 |
17.345 ± 0.089 |
1,0 |
10 |
2 |
| i |
20180718120132 |
17.171 ± 0.049 |
3,0 |
100 |
2 |
| z |
20140626131048 |
16.915 ± 0.066 |
1,0 |
20 |
2 |
| z |
20140627130923 |
17.185 ± 0.091 |
1,0 |
20 |
2 |
| z |
20160420170204 |
17.165 ± 0.094 |
1,0 |
20 |
2 |
| z |
20180718120334 |
16.951 ± 0.052 |
1,0 |
100 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
| Distance (arcsec) |
0.87 |
1.36 |
| GAIA source ID |
4121972614701966208 |
4121972610393980672 |
| Bp mag. |
18.785 |
-- |
| G mag. |
18.436 |
18.957 |
| Rp mag. |
17.273 |
-- |
| Bp/Rp excess |
1.754 |
-- |
| Parallax (mas) |
0.253 ± 0.249 |
-0.447 ± 0.331 |
| PM RA (mas/yr) |
1.335 ± 0.261 |
-3.037 ± 0.389 |
| PM Dec (mas/yr) |
-5.947 ± 0.168 |
-4.968 ± 0.245 |
| A.E.N. (mas) |
0.506 ± 1.781 |
0.0 ± 0.000 |
UV to IR data
Matching radius: 2"
| Filter |
Magnitude1 |
| FUV |
--
±
--
|
| NUV |
--
±
--
|
| u |
--
±
--
|
| g |
18.846
±
0.005
|
| r |
17.872
±
0.003
|
| i |
17.394
±
0.005
|
| z |
17.106
±
0.008
|
| Y |
--
±
--
|
| J |
16.594
±
0.016
|
| H |
--
±
--
|
| K |
15.862
±
0.031
|
| W1 |
14.761
±
0.022
|
| W2 |
14.814
±
0.036
|
| 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. |
