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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185151977 (SMSS J172719.02-201939.1)

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Data releaseDR4
RA (deg)261.8293
Dec (deg)-20.3275
Galactic lon. (deg)5.0736
Galactic lat. (deg)8.1108
E(B-V) (SFD98) (mag)0.818
E(B-V) (GNILC) (mag)0.581 ± 0.030
Nearest DR4 source 185151948 (3.6 arcs away)
2nd-nearest DR4 source 185151976 (4.1 arcs away)
3rd-nearest DR4 source 185151946 (9.3 arcs away)
Times observed1
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — — — 18.424 ± 0.275 —
Petrosian mag. — — — — 18.048 ± 0.098 —

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 18.597 ± 0.09 3,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.12 2.14
GAIA source ID 4121255458241777792 4121255458287914496
Bp mag. 20.188 --
G mag. 19.337 21.027
Rp mag. 18.505 --
Bp/Rp excess 1.237 --
Parallax (mas) -1.005 ± 0.492 -- ± --
PM RA (mas/yr) 1.630 ± 0.505 -- ± --
PM Dec (mas/yr) -6.679 ± 0.356 -- ± --
A.E.N. (mas) 0.664 ± 1.016 2.821 ± 0.380

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 19.335 ± 0.010
i -- ± --
z -- ± --
Y -- ± --
J 17.165 ± 0.030
H -- ± --
K 16.463 ± 0.063
W1 16.854 ± 0.088
W2 17.602 ± --
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.