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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179852812 (SMSS J172740.40-203446.6)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)261.918
Dec (deg)-20.580
Galactic lon. (deg)4.906
Galactic lat. (deg)7.904
E(B-V) (SFD98) (mag)0.860
E(B-V) (GNILC) (mag)0.723 ± 0.035
Nearest DR4 source 179852813 (5.1 arcs away)
2nd-nearest DR4 source 179852811 (5.1 arcs away)
3rd-nearest DR4 source 179852809 (9.5 arcs away)
Times observed9
Total bad pixels0
Observing flags0

Magnitudes

Filter u v g r i z
PSF mag. 18.307 ± 0.104 17.605 ± 0.041
Petrosian mag. 17.808 ± 0.138 17.431 ± 0.143

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 20140729111202 18.353 ± 0.171 16,0 10 2
i 20150901084153 18.349 ± 0.075 0,0 100 2
i 20190505170526 18.293 ± 0.070 16,0 100 2
i 20190509140533 18.404 ± 0.090 0,0 100 2
i 20190720124743 18.370 ± 0.092 0,0 100 2
z 20140722114259 17.528 ± 0.105 0,0 20 2
z 20140729111235 17.590 ± 0.114 16,0 20 2
z 20150901084353 17.579 ± 0.067 0,0 100 2
z 20160420170204 17.647 ± 0.144 0,0 20 2
z 20160420172420 17.804 ± 0.167 16,0 20 2
z 20190505170726 17.694 ± 0.076 16,0 100 2
z 20190508164202 17.701 ± 0.086 0,0 100 2
z 20190509140733 17.757 ± 0.094 0,0 100 2
z 20190720124943 17.577 ± 0.083 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.31 0.66
GAIA source ID 4121034800018762368 4121034800054805376
Bp mag. -- 21.133
G mag. 20.327 20.039
Rp mag. 18.116 18.157
Bp/Rp excess -- 2.647
Parallax (mas) -- ± -- -5.730 ± 1.738
PM RA (mas/yr) -- ± -- 12.564 ± 1.928
PM Dec (mas/yr) -- ± -- 4.706 ± 1.387
A.E.N. (mas) 10.744 ± 33.562 11.010 ± 92.581

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 20.320 ± 0.015
i -- ± --
z -- ± --
Y -- ± --
J 15.974 ± 0.011
H -- ± --
K 14.989 ± 0.015
W1 14.668 ± 0.017
W2 14.589 ± 0.039
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.