Object IDs in DR1 differ from DR2 and later releases.
DR4: Object 185151946 (SMSS J172718.43-201943.1)
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Data release | DR4 |
RA (deg) | 261.8268 |
Dec (deg) | -20.3287 |
Galactic lon. (deg) | 5.0714 |
Galactic lat. (deg) | 8.1121 |
E(B-V) (SFD98) (mag) | 0.818 |
E(B-V) (GNILC) (mag) | 0.581 ± 0.030 |
Nearest DR4 source |
185151974 (6.9 arcs away) |
2nd-nearest DR4 source |
185151947 (8.3 arcs away) |
3rd-nearest DR4 source |
185151976 (8.5 arcs away) |
Times observed | 8 |
Total bad pixels | 0 |
Observing flags | 0 |
Magnitudes
Filter |
u |
v |
g |
r |
i |
z |
PSF mag. |
— |
— |
— |
19.303 ± 0.105 |
18.539 ± 0.054 |
18.177 ± 0.068 |
Petrosian mag. |
— |
— |
— |
19.168 ± 0.170 |
18.627 ± 0.108 |
18.279 ± 0.136 |
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 |
19.283 ± 0.086 |
0,0 |
100 |
2 |
i |
20150901084153 |
18.482 ± 0.082 |
0,0 |
100 |
2 |
i |
20150901084554 |
18.449 ± 0.083 |
0,0 |
100 |
2 |
i |
20190505170526 |
18.410 ± 0.080 |
16,0 |
100 |
2 |
i |
20190509140533 |
18.567 ± 0.098 |
0,0 |
100 |
2 |
z |
20140729111235 |
17.769 ± 0.133 |
0,0 |
20 |
2 |
z |
20150901084353 |
18.176 ± 0.104 |
0,0 |
100 |
2 |
z |
20150901084754 |
18.243 ± 0.118 |
0,0 |
100 |
2 |
z |
20190505170726 |
18.114 ± 0.108 |
16,0 |
100 |
2 |
z |
20190508164202 |
17.971 ± 0.103 |
0,0 |
100 |
2 |
Gaia DR3 data
Matching radius: 15"
|
Best match |
Second match |
Distance (arcsec) |
0.55 |
1.01 |
GAIA source ID |
4121255458241786496 |
4121255453945881088 |
Bp mag. |
20.049 |
20.248 |
G mag. |
20.089 |
20.029 |
Rp mag. |
18.178 |
18.315 |
Bp/Rp excess |
3.201 |
2.634 |
Parallax (mas) |
4.387 ± 1.284 |
-0.058 ± 0.848 |
PM RA (mas/yr) |
1.684 ± 1.669 |
2.249 ± 0.806 |
PM Dec (mas/yr) |
-1.590 ± 1.151 |
1.070 ± 0.638 |
A.E.N. (mas) |
4.124 ± 11.180 |
0.0 ± 0.000 |
UV to IR data
Matching radius: 2"
Filter |
Magnitude1 |
FUV |
--
±
--
|
NUV |
--
±
--
|
u |
--
±
--
|
g |
--
±
--
|
r |
19.156
±
0.010
|
i |
--
±
--
|
z |
--
±
--
|
Y |
--
±
--
|
J |
16.905
±
0.024
|
H |
--
±
--
|
K |
16.111
±
0.045
|
W1 |
15.95
±
0.043
|
W2 |
16.748
±
0.195
|
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. |