Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 229802955 (SMSS J185712.05-301927.6)
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Data release | DR4 |
RA (deg) | 284.3003 |
Dec (deg) | -30.3243 |
Galactic lon. (deg) | 5.9436 |
Galactic lat. (deg) | -14.4503 |
E(B-V) (SFD98) (mag) | 0.145 |
E(B-V) (GNILC) (mag) | 0.134 ± 0.006 |
Nearest DR4 source |
229802952 (5.9 arcs away) |
2nd-nearest DR4 source |
229802843 (7.5 arcs away) |
3rd-nearest DR4 source |
229802848 (8.9 arcs away) |
Times observed | 11 |
Total bad pixels | 0 |
Observing flags | 3 |
Magnitudes
Filter |
u |
v |
g |
r |
i |
z |
PSF mag. |
— |
— |
19.349 ± 0.017 |
19.031 ± 0.034 |
18.824 ± 0.034 |
18.484 ± 0.181 |
Petrosian mag. |
— |
— |
19.433 ± 0.105 |
19.104 ± 0.074 |
18.987 ± 0.129 |
18.884 ± 0.129 |
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 |
19.402 ± 0.052 |
3,0 |
100 |
1 |
g |
20140831091248 |
19.347 ± 0.051 |
0,0 |
100 |
1 |
g |
20141006094739 |
19.297 ± 0.115 |
0,0 |
100 |
3 |
g |
20190829093256 |
19.358 ± 0.055 |
3,0 |
100 |
2 |
r |
20140828094629 |
19.122 ± 0.055 |
1,0 |
100 |
1 |
r |
20140831091449 |
18.997 ± 0.051 |
0,0 |
100 |
1 |
r |
20141006094940 |
19.199 ± 0.118 |
0,0 |
100 |
3 |
r |
20170825115621 |
19.039 ± 0.056 |
1,0 |
100 |
1 |
r |
20190829093456 |
19.077 ± 0.058 |
1,0 |
100 |
2 |
i |
20140828095230 |
18.938 ± 0.082 |
0,0 |
100 |
1 |
i |
20180323190254 |
18.837 ± 0.075 |
0,0 |
100 |
1 |
i |
20190806110632 |
18.743 ± 0.075 |
0,0 |
100 |
2 |
z |
20180323190454 |
18.631 ± 0.121 |
0,0 |
100 |
1 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
Distance (arcsec) |
0.2 |
5.95 |
GAIA source ID |
6760443351888690176 |
6760443351888687104 |
Bp mag. |
19.372 |
19.498 |
G mag. |
19.181 |
19.033 |
Rp mag. |
18.496 |
18.493 |
Bp/Rp excess |
1.399 |
1.164 |
Parallax (mas) |
-0.865 ± 0.339 |
0.192 ± 0.264 |
PM RA (mas/yr) |
-0.107 ± 0.385 |
-0.877 ± 0.286 |
PM Dec (mas/yr) |
-4.856 ± 0.331 |
-3.531 ± 0.256 |
A.E.N. (mas) |
1.356 ± 4.128 |
0.0 ± 0.0 |
UV to IR data
Matching radius: 2"
Filter |
Magnitude1 |
FUV |
--
±
--
|
NUV |
--
±
--
|
u |
20.510
±
0.021
|
g |
19.416
±
0.003
|
r |
19.017
±
0.002
|
i |
18.745
±
0.006
|
z |
18.704
±
0.009
|
Y |
--
±
--
|
J |
17.775
±
0.056
|
H |
--
±
--
|
K |
17.371
±
0.140
|
W1 |
--
±
--
|
W2 |
--
±
--
|
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. |