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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179821263 (SMSS J172719.46-204949.8)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)261.8311
Dec (deg)-20.8305
Galactic lon. (deg)4.6486
Galactic lat. (deg)7.8356
E(B-V) (SFD98) (mag)0.983
E(B-V) (GNILC) (mag)0.903 ± 0.044
Nearest DR4 source 179821264 (3.7 arcs away)
2nd-nearest DR4 source 179821069 (7.3 arcs away)
3rd-nearest DR4 source 179821076 (8.9 arcs away)
Times observed33
Total bad pixels4
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 17.506 ± 0.034 16.303 ± 0.030 15.201 ± 0.026 14.559 ± 0.02
Petrosian mag. — — 17.206 ± 0.034 16.069 ± 0.082 14.932 ± 0.059 14.354 ± 0.059

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 20140719114908 17.484 ± 0.058 0,0 5 2
g 20140722114132 17.600 ± 0.063 0,0 5 2
g 20140729111106 17.548 ± 0.057 2,0 5 2
g 20160420170043 17.675 ± 0.097 0,0 5 2
g 20180605124544 17.674 ± 0.079 0,0 5 2
g 20190506165109 17.598 ± 0.025 2,0 100 2
g 20190507143127 17.567 ± 0.023 0,0 100 2
g 20190822094124 17.525 ± 0.027 16,0 100 2
r 20140719114939 16.339 ± 0.036 0,0 5 2
r 20140722114203 16.324 ± 0.036 0,0 5 2
r 20140729111131 16.281 ± 0.034 3,0 5 2
r 20160420170109 16.365 ± 0.041 2,0 5 2
r 20190506165309 16.344 ± 0.026 2,0 100 2
r 20190507143327 16.304 ± 0.034 0,0 100 2
r 20190822094324 16.296 ± 0.029 16,0 100 2
r 20200524153415 16.322 ± 0.049 0,0 5 2
r 20210407183558 16.93 ± 0.064 0,4 5 2
i 20140719115004 15.214 ± 0.028 0,0 10 2
i 20140722114229 15.240 ± 0.030 0,0 10 2
i 20140729111202 15.223 ± 0.029 3,0 10 2
i 20150901084153 15.236 ± 0.029 2,0 100 2
i 20150901084554 15.241 ± 0.027 2,0 100 2
i 20160420170134 15.228 ± 0.025 3,0 10 2
i 20180605124636 15.219 ± 0.034 0,0 10 2
i 20190508164002 15.190 ± 0.026 0,0 100 2
i 20190509140533 15.668 ± 0.046 19,0 100 2
i 20200524153441 15.169 ± 0.034 0,0 10 2
i 20210407183626 15.236 ± 0.032 0,7 10 2
z 20140719115035 14.578 ± 0.026 0,0 20 2
z 20140722114259 14.588 ± 0.028 3,0 20 2
z 20140729111235 14.572 ± 0.029 3,0 20 2
z 20150901084353 14.609 ± 0.030 2,0 100 2
z 20150901084754 14.606 ± 0.028 2,0 100 2
z 20160420170204 14.583 ± 0.024 3,0 20 2
z 20180605124707 14.549 ± 0.031 0,0 20 2
z 20190508164202 14.555 ± 0.025 0,0 100 2
z 20190509140733 15.233 ± 0.049 19,0 100 2
z 20200513183957 14.588 ± 0.030 0,0 100 2
z 20200524153511 14.516 ± 0.033 0,0 20 3
z 20210407183658 15.063 ± 0.032 3,15 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.62 3.78
GAIA source ID 4121011332353975040 4121011332320143232
Bp mag. 17.317 --
G mag. 15.968 20.692
Rp mag. 14.835 --
Bp/Rp excess 1.405 --
Parallax (mas) 0.077 ± 0.042 -- ± --
PM RA (mas/yr) -2.308 ± 0.049 -- ± --
PM Dec (mas/yr) -6.483 ± 0.034 -- ± --
A.E.N. (mas) 0.0 ± 0.0 9.615 ± 64.267

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 18.046 ± 0.003
r 16.338 ± 0.002
i 15.378 ± 0.002
z 14.827 ± 0.002
Y -- ± --
J 12.914 ± 0.038
H 11.949 ± 0.043
K 11.679 ± 0.032
W1 11.596 ± 0.033
W2 11.651 ± 0.031
W3 11.792 ± 0.387
W4 7.731 ± --
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.