Log-in to SkyMapper

Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179850561 (SMSS J172752.21-204041.7)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)261.968
Dec (deg)-20.678
Galactic lon. (deg)4.848
Galactic lat. (deg)7.811
E(B-V) (SFD98) (mag)0.873
E(B-V) (GNILC) (mag)0.734 ± 0.033
Nearest DR4 source 179850562 (8.0 arcs away)
2nd-nearest DR4 source 179850616 (8.8 arcs away)
3rd-nearest DR4 source 179850614 (9.0 arcs away)
Times observed25
Total bad pixels0
Observing flags0

Magnitudes

Filter u v g r i z
PSF mag. — — 19.535 ± 0.024 18.630 ± 0.034 17.811 ± 0.023 17.370 ± 0.024
Petrosian mag. — — 19.542 ± 0.075 18.618 ± 0.046 17.701 ± 0.054 17.312 ± 0.035

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 20190505165725 19.586 ± 0.064 0,0 100 2
g 20190506165109 19.476 ± 0.056 0,0 100 2
g 20190822094124 19.546 ± 0.060 0,0 100 2
r 20140729111131 18.661 ± 0.168 512,0 5 2
r 20190505165926 18.616 ± 0.054 0,0 100 2
r 20190506165309 18.601 ± 0.051 0,0 100 2
r 20190822094324 18.589 ± 0.050 0,0 100 2
i 20140722114229 17.736 ± 0.100 0,0 10 2
i 20140729111202 17.697 ± 0.093 0,0 10 2
i 20150901084153 17.772 ± 0.05 0,0 100 2
i 20150901084554 17.791 ± 0.046 0,0 100 2
i 20160420170134 18.052 ± 0.161 0,0 10 2
i 20160420172350 17.907 ± 0.150 0,0 10 2
i 20190505170526 17.734 ± 0.049 0,0 100 2
i 20190509140533 17.822 ± 0.066 0,0 100 2
i 20190720124743 17.754 ± 0.072 0,0 100 2
i 20200513190610 17.847 ± 0.067 0,0 100 2
z 20140722114259 17.275 ± 0.086 0,0 20 2
z 20140729111235 17.366 ± 0.092 0,0 20 2
z 20150901084353 17.361 ± 0.057 0,0 100 2
z 20150901084754 17.380 ± 0.056 0,0 100 2
z 20160420170204 17.441 ± 0.120 0,0 20 2
z 20160420172420 17.320 ± 0.109 0,0 20 2
z 20190505170726 17.357 ± 0.060 0,0 100 2
z 20190509140733 17.410 ± 0.077 0,0 100 2
z 20190720124943 17.338 ± 0.075 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.41 1.3
GAIA source ID 4121031737678196864 4121031742000552064
Bp mag. 19.400 --
G mag. 18.574 20.292
Rp mag. 17.502 --
Bp/Rp excess 1.469 --
Parallax (mas) -0.068 ± 0.196 3.415 ± 1.252
PM RA (mas/yr) -0.387 ± 0.218 -2.718 ± 1.212
PM Dec (mas/yr) -2.212 ± 0.160 -2.995 ± 0.878
A.E.N. (mas) 0.186 ± 0.206 4.808 ± 8.090

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r -- ± --
i -- ± --
z -- ± --
Y -- ± --
J 16.129 ± 0.013
H -- ± --
K 15.343 ± 0.021
W1 15.055 ± 0.016
W2 15.229 ± 0.044
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.