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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179821039 (SMSS J172718.38-205041.0)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)261.8266
Dec (deg)-20.8447
Galactic lon. (deg)4.6342
Galactic lat. (deg)7.8313
E(B-V) (SFD98) (mag)0.983
E(B-V) (GNILC) (mag)0.971 ± 0.050
Nearest DR4 source 179821040 (5.1 arcs away)
2nd-nearest DR4 source 179821044 (9.8 arcs away)
3rd-nearest DR4 source 179821036 (11.8 arcs away)
Times observed4
Total bad pixels0
Observing flags0

Magnitudes

Filter u v g r i z
PSF mag. 18.555 ± 0.189 18.138 ± 0.164
Petrosian mag. 18.154 ± 0.139 18.061 ± 0.192

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 18.654 ± 0.095 0,0 100 2
i 20150901084554 18.847 ± 0.101 0,0 100 2
i 20190505170526 18.726 ± 0.094 16,0 100 2
z 20150901084353 18.242 ± 0.112 0,0 100 2
z 20150901084754 18.421 ± 0.129 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.28 2.3
GAIA source ID 4121011229240868096 4121011229246306816
Bp mag. 20.811 --
G mag. 19.588 20.938
Rp mag. 18.595 --
Bp/Rp excess 1.286 --
Parallax (mas) -0.328 ± 0.396 -- ± --
PM RA (mas/yr) -0.558 ± 0.504 -- ± --
PM Dec (mas/yr) -1.937 ± 0.334 -- ± --
A.E.N. (mas) 1.047 ± 1.595 2.552 ± 0.496

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 21.408 ± 0.029
r 19.835 ± 0.006
i 19.122 ± 0.022
z 18.626 ± 0.020
Y -- ± --
J 16.817 ± 0.024
H -- ± --
K 15.891 ± 0.035
W1 15.325 ± 0.018
W2 15.428 ± 0.049
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.