Spectra for NGC 21


Aperture/Beam Spectrum Previews Retrieve Data Observational Information Spectral Coverage & Resolution

PA = N/A

FITS29.9kb
Author-ASCII63.9kb
NED-ASCII131.5kb
VOTable123.1kb

Reference:
2018ApJ...861...49H
Region: Integrated
Telescope: Arecibo 305m
Instrument: L-wide receiver
Abs-Cal: Yes
Ref-Frame: Observed
Full description
Line:HI
From:2500.3 km s-1
To: 7956.8 km s-1
Step:5.3 km s-1
Resolution:11.0 km s-1

PA = N/A

FITS N/A
Author-ASCII23.5kb
NED-ASCII65.9kb
VOTable61.8kb

Reference:
2005ApJS..160..149S
Region: Integrated
Telescope: Arecibo 305m
Instrument: Line-feed system
Abs-Cal: Yes
Ref-Frame: Observed
Full description
Line:H I
From:2546.2 km s-1
To: 6892.6 km s-1
Step:8.5 km s-1
Resolution:11.0 km s-1

PA = N/A

FITS N/A
Author-ASCII3.9kb
NED-ASCII16.0kb
VOTable15.3kb
External Resource

Reference:
1998A&AS..130..333T
Region: Integrated
Telescope: Nancay
Instrument: N/A
Abs-Cal: Yes
Ref-Frame: Observed
Full description
Line:H I
From:4145.7 km s-1
To: 5463.8 km s-1
Step:10.9 km s-1
Resolution:11.0 km s-1
See also Photometry & SED.