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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185151991 (SMSS J172719.01-201901.8)

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Data releaseDR4
RA (deg)261.8292
Dec (deg)-20.3172
Galactic lon. (deg)5.0824
Galactic lat. (deg)8.1165
E(B-V) (SFD98) (mag)0.818
E(B-V) (GNILC) (mag)0.581 ± 0.030
Nearest DR4 source 185151990 (7.0 arcs away)
2nd-nearest DR4 source 185152204 (7.1 arcs away)
3rd-nearest DR4 source 185151989 (11.4 arcs away)
Times observed3
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. 18.518 ± 0.028 17.834 ± 0.052 17.137 ± 0.040
Petrosian mag. 18.660 ± 0.04 18.087 ± 0.124 17.213 ± 0.091

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 20190506165109 18.531 ± 0.034 3,0 100 2
r 20140722114203 18.063 ± 0.111 512,0 5 2
r 20140729111131 17.991 ± 0.101 0,0 5 2
i 20140729111202 17.118 ± 0.064 1,0 10 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.13 4.86
GAIA source ID 4121255557009313408 4121255561327341312
Bp mag. 18.426 20.949
G mag. 17.666 20.259
Rp mag. 16.832 19.248
Bp/Rp excess 1.268 1.453
Parallax (mas) 0.305 ± 0.148 1.160 ± 1.103
PM RA (mas/yr) -1.780 ± 0.154 -3.324 ± 1.291
PM Dec (mas/yr) -0.276 ± 0.111 -3.270 ± 0.852
A.E.N. (mas) 0.0 ± 0.0 0.0 ± 0.0

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 17.797 ± 0.003
i -- ± --
z -- ± --
Y -- ± --
J 15.608 ± 0.008
H -- ± --
K 15.035 ± 0.017
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.