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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179855418 (SMSS J172658.77-202901.0)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)261.7449
Dec (deg)-20.4836
Galactic lon. (deg)4.8979
Galactic lat. (deg)8.0922
E(B-V) (SFD98) (mag)0.739
E(B-V) (GNILC) (mag)0.640 ± 0.033
Nearest DR4 source 179855417 (7.1 arcs away)
2nd-nearest DR4 source 179855419 (8.7 arcs away)
3rd-nearest DR4 source 179855416 (14.4 arcs away)
Times observed3
Total bad pixels0
Observing flags1

Magnitudes

Filter u v g r i z
PSF mag. 18.777 ± 0.035 17.892 ± 0.026
Petrosian mag. 19.093 ± 0.152 18.170 ± 0.133

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 20150901084153 19.065 ± 0.135 1024,0 100 2
i 20150901084554 18.954 ± 0.122 16,0 100 2
i 20190505170526 18.840 ± 0.112 0,0 100 2
z 20150901084353 17.918 ± 0.086 1,0 100 2
z 20150901084754 17.799 ± 0.081 17,0 100 2
z 20190505170726 17.952 ± 0.096 1,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.18 5.68
GAIA source ID 4121226355586081024 4121226355525635840
Bp mag. 21.190 20.585
G mag. 19.650 19.884
Rp mag. 18.295 18.882
Bp/Rp excess 1.641 1.439
Parallax (mas) 4.348 ± 0.483 0.068 ± 0.593
PM RA (mas/yr) 2.668 ± 0.543 -1.651 ± 0.666
PM Dec (mas/yr) -6.778 ± 0.401 -2.566 ± 0.482
A.E.N. (mas) 0.694 ± 0.739 1.639 ± 2.764

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 21.895 ± 0.058
r 20.374 ± 0.016
i 18.777 ± 0.015
z 18.041 ± 0.012
Y -- ± --
J 16.149 ± 0.013
H -- ± --
K 15.182 ± 0.018
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.