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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179855409 (SMSS J172658.49-202925.3)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)261.7437
Dec (deg)-20.4903
Galactic lon. (deg)4.8916
Galactic lat. (deg)8.0894
E(B-V) (SFD98) (mag)0.739
E(B-V) (GNILC) (mag)0.640 ± 0.033
Nearest DR4 source 179855410 (6.5 arcs away)
2nd-nearest DR4 source 179855406 (8.5 arcs away)
3rd-nearest DR4 source 179855404 (10.3 arcs away)
Times observed8
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. 18.809 ± 0.033 17.948 ± 0.041 17.195 ± 0.026 16.91 ± 0.044
Petrosian mag. 19.101 ± 0.081 18.137 ± 0.057 17.465 ± 0.079 17.236 ± 0.094

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 20190505165725 18.802 ± 0.042 1027,0 100 2
g 20190507143127 18.811 ± 0.050 3,0 100 2
r 20140722114203 18.204 ± 0.121 512,0 5 2
r 20190505165926 17.992 ± 0.044 1027,0 100 2
r 20190507143327 17.969 ± 0.047 3,0 100 2
i 20140719115004 17.340 ± 0.081 0,0 10 2
i 20140722114229 17.255 ± 0.069 0,0 10 2
i 20150901084153 17.321 ± 0.040 1025,0 100 2
i 20150901084554 17.250 ± 0.040 3,0 100 2
i 20190505170526 17.298 ± 0.044 1027,0 100 2
i 20190508164002 17.337 ± 0.049 1027,0 100 2
i 20190509140533 17.308 ± 0.054 1027,0 100 2
i 20200513190610 17.401 ± 0.049 1027,0 100 2
i 20210407183626 17.509 ± 0.112 512,0 10 2
z 20140719115035 17.051 ± 0.089 0,0 20 2
z 20140722114259 16.896 ± 0.065 0,0 20 2
z 20150901084353 16.961 ± 0.045 1024,0 100 2
z 20150901084754 16.914 ± 0.046 1024,0 100 2
z 20190505170726 16.941 ± 0.050 1024,0 100 2
z 20190509140733 16.974 ± 0.062 1025,0 100 2
z 20210407183658 17.023 ± 0.104 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.23 4.53
GAIA source ID 4121226316870152320 4121226321165875456
Bp mag. 18.630 20.440
G mag. 17.742 20.106
Rp mag. 16.857 18.784
Bp/Rp excess 1.272 1.956
Parallax (mas) 0.489 ± 0.125 2.076 ± 0.722
PM RA (mas/yr) -0.802 ± 0.144 -4.641 ± 0.819
PM Dec (mas/yr) -3.951 ± 0.102 -6.903 ± 0.577
A.E.N. (mas) 0.0 ± 0.0 1.697 ± 2.206

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 19.039 ± 0.009
r 17.976 ± 0.004
i 17.388 ± 0.005
z 17.077 ± 0.005
Y -- ± --
J 15.470 ± 0.007
H -- ± --
K 14.754 ± 0.013
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.