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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185163022 (SMSS J172749.33-200708.4)

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Data releaseDR4
RA (deg)261.9555
Dec (deg)-20.1190
Galactic lon. (deg)5.3155
Galactic lat. (deg)8.1247
E(B-V) (SFD98) (mag)0.886
E(B-V) (GNILC) (mag)0.628 ± 0.028
Nearest DR4 source 185163018 (9.6 arcs away)
2nd-nearest DR4 source 185163019 (11.4 arcs away)
3rd-nearest DR4 source 185163006 (12.9 arcs away)
Times observed20
Total bad pixels0
Observing flags0

Magnitudes

Filter u v g r i z
PSF mag. — — 19.432 ± 0.024 18.682 ± 0.032 18.054 ± 0.018 17.774 ± 0.016
Petrosian mag. — — 19.528 ± 0.067 18.527 ± 0.140 17.969 ± 0.066 17.863 ± 0.052

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 20190505165725 19.462 ± 0.068 0,0 100 2
g 20190506165109 19.453 ± 0.058 0,0 100 2
r 20140729111131 19.215 ± 0.295 512,0 5 2
r 20190505165926 18.745 ± 0.072 0,0 100 2
r 20190506165309 18.652 ± 0.054 0,0 100 2
r 20190822094324 18.638 ± 0.063 0,0 100 2
i 20140722114229 18.318 ± 0.165 0,0 10 2
i 20140729111202 18.561 ± 0.206 512,0 10 2
i 20150901084153 18.085 ± 0.061 0,0 100 2
i 20150901084554 18.085 ± 0.063 0,0 100 2
i 20190505170526 18.016 ± 0.066 0,0 100 2
i 20190509140533 18.050 ± 0.077 0,0 100 2
i 20190720124743 17.975 ± 0.088 0,0 100 2
i 20200513190610 18.119 ± 0.076 0,0 100 2
z 20140722114259 17.830 ± 0.136 0,0 20 2
z 20140729111235 17.955 ± 0.156 0,0 20 2
z 20150901084353 17.894 ± 0.083 0,0 100 2
z 20150901084754 17.751 ± 0.079 0,0 100 2
z 20190505170726 17.843 ± 0.094 0,0 100 2
z 20190508164202 17.852 ± 0.098 0,0 100 2
z 20190509140733 17.647 ± 0.086 0,0 100 2
z 20190720124943 17.738 ± 0.096 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.23 2.99
GAIA source ID 4121265452618514304 4121265456926869504
Bp mag. 19.331 20.650
G mag. 18.525 19.856
Rp mag. 17.711 19.018
Bp/Rp excess 1.236 1.260
Parallax (mas) 0.700 ± 0.195 0.352 ± 0.613
PM RA (mas/yr) -0.373 ± 0.232 -3.999 ± 0.709
PM Dec (mas/yr) 4.684 ± 0.165 -3.694 ± 0.476
A.E.N. (mas) 0.0 ± 0.0 0.183 ± 0.040

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 18.725 ± 0.004
i -- ± --
z -- ± --
Y -- ± --
J 16.468 ± 0.016
H -- ± --
K 15.875 ± 0.036
W1 16.511 ± 0.06
W2 16.259 ± 0.102
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.