Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 229802848 (SMSS J185711.38-301925.7)
Find on
Data release | DR4 |
RA (deg) | 284.2974 |
Dec (deg) | -30.3239 |
Galactic lon. (deg) | 5.9431 |
Galactic lat. (deg) | -14.4478 |
E(B-V) (SFD98) (mag) | 0.145 |
E(B-V) (GNILC) (mag) | 0.133 ± 0.006 |
Nearest DR4 source |
229802843 (7.0 arcs away) |
2nd-nearest DR4 source |
229802955 (8.9 arcs away) |
3rd-nearest DR4 source |
229802847 (10.4 arcs away) |
Times observed | 20 |
Total bad pixels | 0 |
Observing flags | 3 |
Magnitudes
Filter |
u |
v |
g |
r |
i |
z |
PSF mag. |
— |
— |
18.396 ± 0.072 |
18.072 ± 0.074 |
17.878 ± 0.056 |
17.708 ± 0.089 |
Petrosian mag. |
— |
— |
18.388 ± 0.024 |
18.101 ± 0.030 |
17.809 ± 0.029 |
17.750 ± 0.072 |
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 |
20140828094429 |
18.448 ± 0.032 |
3,0 |
100 |
1 |
g |
20140831091248 |
18.413 ± 0.031 |
0,0 |
100 |
1 |
g |
20141006094739 |
18.433 ± 0.058 |
0,0 |
100 |
3 |
g |
20190829093256 |
18.47 ± 0.034 |
3,0 |
100 |
2 |
r |
20140828094629 |
18.129 ± 0.034 |
1,0 |
100 |
1 |
r |
20140831091449 |
18.059 ± 0.032 |
0,0 |
100 |
1 |
r |
20141006094940 |
18.020 ± 0.049 |
0,0 |
100 |
3 |
r |
20170825115621 |
18.099 ± 0.036 |
3,0 |
100 |
1 |
r |
20190829093456 |
18.157 ± 0.034 |
3,0 |
100 |
2 |
i |
20140828095230 |
17.857 ± 0.041 |
0,0 |
100 |
1 |
i |
20141006102359 |
17.832 ± 0.068 |
0,0 |
100 |
2 |
i |
20170314185652 |
17.934 ± 0.061 |
0,0 |
100 |
2 |
i |
20170408173332 |
17.847 ± 0.122 |
0,0 |
10 |
2 |
i |
20180323190254 |
17.856 ± 0.04 |
0,0 |
100 |
1 |
i |
20190623121941 |
17.945 ± 0.046 |
0,0 |
100 |
2 |
i |
20190806110632 |
17.953 ± 0.041 |
0,0 |
100 |
2 |
z |
20140804104003 |
18.254 ± 0.214 |
0,0 |
20 |
2 |
z |
20140828095431 |
17.756 ± 0.062 |
0,0 |
100 |
2 |
z |
20141006095341 |
17.781 ± 0.086 |
0,0 |
100 |
2 |
z |
20170314185852 |
17.786 ± 0.073 |
0,0 |
100 |
2 |
z |
20180323190454 |
17.776 ± 0.061 |
0,0 |
100 |
1 |
z |
20190806110832 |
17.793 ± 0.058 |
0,0 |
100 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
Distance (arcsec) |
0.85 |
1.76 |
GAIA source ID |
6760443347570284288 |
6760443351888693632 |
Bp mag. |
18.896 |
19.226 |
G mag. |
18.497 |
18.822 |
Rp mag. |
17.976 |
18.363 |
Bp/Rp excess |
1.183 |
1.142 |
Parallax (mas) |
-0.017 ± 0.174 |
0.086 ± 0.217 |
PM RA (mas/yr) |
1.560 ± 0.198 |
-3.695 ± 0.248 |
PM Dec (mas/yr) |
-9.927 ± 0.176 |
-7.310 ± 0.221 |
A.E.N. (mas) |
0.0 ± 0.000 |
0.0 ± 0.0 |
UV to IR data
Matching radius: 2"
Filter |
Magnitude1 |
FUV |
--
±
--
|
NUV |
--
±
--
|
u |
20.187
±
0.018
|
g |
18.958
±
0.002
|
r |
18.545
±
0.001
|
i |
18.325
±
0.004
|
z |
18.279
±
0.006
|
Y |
--
±
--
|
J |
17.266
±
0.035
|
H |
--
±
--
|
K |
16.817
±
0.084
|
W1 |
16.669
±
0.052
|
W2 |
17.36
±
0.269
|
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. |