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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179900631 (SMSS J172815.98-203548.2)

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Data releaseDR4
RA (deg)262.0666
Dec (deg)-20.5967
Galactic lon. (deg)4.9675
Galactic lat. (deg)7.7779
E(B-V) (SFD98) (mag)0.862
E(B-V) (GNILC) (mag)0.742 ± 0.036
Nearest DR4 source 179900629 (7.4 arcs away)
2nd-nearest DR4 source 179900633 (8.6 arcs away)
3rd-nearest DR4 source 179900632 (8.9 arcs away)
Times observed13
Total bad pixels0
Observing flags531

Magnitudes

Filter u v g r i z
PSF mag. 18.073 ± -- 17.227 ± 0.037 16.431 ± 0.029 16.066 ± 0.026
Petrosian mag. 17.154 ± -- 17.184 ± 0.08 16.358 ± 0.049 16.055 ± 0.082

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 20140722114132 18.192 ± 0.102 512,0 5 2
g 20190506165109 18.094 ± 0.026 19,0 100 2
r 20140719114939 17.363 ± 0.077 1,0 5 2
r 20140722114203 17.293 ± 0.064 0,0 5 2
r 20160420172325 17.149 ± 0.066 0,0 5 2
r 20210407183558 17.244 ± 0.074 1,0 5 2
i 20140719115004 16.457 ± 0.045 3,0 10 2
i 20140722114229 16.458 ± 0.046 0,0 10 2
i 20160420172350 16.468 ± 0.047 0,0 10 2
i 20210407183626 16.439 ± 0.049 0,0 10 2
z 20140719115035 16.071 ± 0.045 3,0 20 2
z 20140722114259 16.066 ± 0.04 0,0 20 2
z 20160420172420 16.092 ± 0.042 0,0 20 2
z 20180605125833 16.247 ± 0.061 0,0 20 2
z 20210407183658 16.055 ± 0.047 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.28 2.49
GAIA source ID 4121034039777086464 4121034039793475328
Bp mag. 17.997 --
G mag. 17.075 20.608
Rp mag. 16.122 --
Bp/Rp excess 1.323 --
Parallax (mas) 0.380 ± 0.097 -- ± --
PM RA (mas/yr) -1.649 ± 0.096 -- ± --
PM Dec (mas/yr) -4.580 ± 0.075 -- ± --
A.E.N. (mas) 0.0 ± 0.000 1.815 ± 0.477

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 17.247 ± 0.002
i -- ± --
z -- ± --
Y -- ± --
J 14.749 ± 0.06
H 14.109 ± 0.083
K 13.969 ± 0.066
W1 13.851 ± 0.012
W2 13.934 ± 0.017
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.