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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185152650 (SMSS J172720.55-201850.4)

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Data releaseDR4
RA (deg)261.8357
Dec (deg)-20.3140
Galactic lon. (deg)5.0884
Galactic lat. (deg)8.1131
E(B-V) (SFD98) (mag)0.818
E(B-V) (GNILC) (mag)0.592 ± 0.029
Nearest DR4 source 185152206 (8.9 arcs away)
2nd-nearest DR4 source 185152653 (11.7 arcs away)
3rd-nearest DR4 source 185152652 (12.0 arcs away)
Times observed1
Total bad pixels0
Observing flags0

Magnitudes

Filter u v g r i z
PSF mag. 18.764 ± 0.049
Petrosian mag. 19.433 ± 0.244

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)
i 20150901084153 19.142 ± 0.143 1024,0 100 2
i 20150901084554 18.950 ± 0.125 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.47 0.65
GAIA source ID 4121255561321090304 4121255561321090432
Bp mag. 20.053 --
G mag. 19.575 20.381
Rp mag. 18.399 --
Bp/Rp excess 1.710 --
Parallax (mas) -2.278 ± 0.648 -- ± --
PM RA (mas/yr) -4.775 ± 0.740 -- ± --
PM Dec (mas/yr) -7.223 ± 0.504 -- ± --
A.E.N. (mas) 0.957 ± 1.390 3.407 ± 4.361

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r -- ± --
i -- ± --
z -- ± --
Y -- ± --
J 17.047 ± 0.027
H -- ± --
K 16.371 ± 0.058
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.