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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179819796 (SMSS J172715.47-205104.8)

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Data releaseDR4
RA (deg)261.8145
Dec (deg)-20.8513
Galactic lon. (deg)4.6224
Galactic lat. (deg)7.8372
E(B-V) (SFD98) (mag)0.940
E(B-V) (GNILC) (mag)0.929 ± 0.041
Nearest DR4 source 179819797 (6.3 arcs away)
2nd-nearest DR4 source 179819793 (8.1 arcs away)
3rd-nearest DR4 source 179819807 (8.6 arcs away)
Times observed7
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. 20.109 ± 0.062 18.267 ± 0.036 17.817 ± 0.023
Petrosian mag. 20.906 ± 0.265 18.511 ± 0.079 18.218 ± 0.101

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 20.329 ± 0.113 1,0 100 2
i 20140729111202 18.635 ± 0.209 0,0 10 2
i 20150901084153 18.382 ± 0.077 3,0 100 2
i 20150901084554 18.381 ± 0.069 1027,0 100 2
i 20190505170526 18.32 ± 0.068 3,0 100 2
z 20140729111235 18.243 ± 0.197 0,0 20 2
z 20150901084353 17.880 ± 0.083 0,0 100 2
z 20150901084754 17.844 ± 0.079 1,0 100 2
z 20190505170726 18.084 ± 0.103 1024,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.25 6.0
GAIA source ID 4121011293632905344 4121011297994229248
Bp mag. 19.882 17.939
G mag. 18.777 16.642
Rp mag. 17.844 15.538
Bp/Rp excess 1.255 1.383
Parallax (mas) 0.482 ± 0.205 0.151 ± 0.058
PM RA (mas/yr) -1.970 ± 0.250 -1.960 ± 0.069
PM Dec (mas/yr) -3.510 ± 0.176 -7.055 ± 0.048
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 20.358 ± 0.013
r 19.088 ± 0.004
i 18.425 ± 0.014
z 18.045 ± 0.014
Y -- ± --
J 16.277 ± 0.015
H -- ± --
K 15.547 ± 0.025
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.