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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179821264 (SMSS J172719.60-204946.4)

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Data releaseDR4
RA (deg)261.8317
Dec (deg)-20.8296
Galactic lon. (deg)4.6497
Galactic lat. (deg)7.8356
E(B-V) (SFD98) (mag)0.983
E(B-V) (GNILC) (mag)0.903 ± 0.044
Nearest DR4 source 179821263 (3.7 arcs away)
2nd-nearest DR4 source 179821076 (10.0 arcs away)
3rd-nearest DR4 source 179821069 (11.0 arcs away)
Times observed8
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. 18.518 ± 0.080 17.309 ± 0.032 16.233 ± 0.039 15.652 ± 0.027
Petrosian mag. 18.405 ± 0.219 17.353 ± 0.06 16.259 ± 0.035 15.641 ± 0.026

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 20140729111106 18.515 ± 0.116 3,0 5 2
r 20140729111131 17.302 ± 0.057 3,0 5 2
r 20160420170109 17.297 ± 0.078 3,0 5 2
i 20140729111202 16.195 ± 0.037 3,0 10 2
i 20160420170134 16.223 ± 0.038 3,0 10 2
z 20140722114259 15.608 ± 0.033 3,0 20 2
z 20140729111235 15.586 ± 0.034 3,0 20 2
z 20160420170204 15.657 ± 0.033 3,0 20 2
z 20210407183658 15.933 ± 0.044 3,6 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.08 1.7
GAIA source ID 4121011332353975680 4121011332320143232
Bp mag. 18.367 --
G mag. 17.085 20.692
Rp mag. 15.949 --
Bp/Rp excess 1.421 --
Parallax (mas) -0.013 ± 0.077 -- ± --
PM RA (mas/yr) -5.356 ± 0.094 -- ± --
PM Dec (mas/yr) -3.447 ± 0.064 -- ± --
A.E.N. (mas) 0.208 ± 1.605 9.615 ± 64.267

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 19.044 ± 0.005
r 17.343 ± 0.002
i 16.445 ± 0.003
z 15.915 ± 0.002
Y -- ± --
J 14.075 ± 0.028
H 13.258 ± 0.033
K 12.916 ± 0.029
W1 12.636 ± 0.019
W2 12.712 ± 0.015
W3 12.158 ± --
W4 8.185 ± --
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.