DSS Image & Aperture/Beam
PA = N/A
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|
OBJECT INFORMATION
|
Published Values |
NED Cross-Identified Values |
| Name: | NGC 4331 | NGC 4331 |
| Position (J2000): | 12h22m35.96s | +76d10m20.90s | 12h22m35.96s | +76d10m20.90s |
| Origin: | Published-Value | | System: | Equatorial | | Type: | Decimal-Degrees | | Equinox: | J2000 |
| 185.649833 | 76.172472 | |
OBSERVATIONAL DETAILS
| Observed Region: | Integrated | Telescope Name: | Effelsberg 100m |
| Band (Line): | Radio(H I) | Instrument Name: | 21cm_receiver |
| Start Channel: | 799.3 km s-1 | Disperser Type: | N/A |
| End Channel: | 2387.5 km s-1 | Detector Type: | Correlator |
| Channel Step: | 3.5 km s-1 | Observation Mode: | Beam |
| Spectral Resolution: | 22.0 km s-1 | Aperture/Beam Size: | 540.0 arcsec |
| Mean Resolving Power: | 13701.0 | Extracted Region Size: | N/A |
| Seeing: | N/A | Position Angle of Slit: | N/A |
| Airmass: | N/A | Dimension of Spectrum: | 1 D |
| Integration Time: | N/A | Number of Pixels: | 455 |
| Flux Units: | Jy | Reference Frame: | Observed |
| Flux Calibration: | Yes | Sensitivity Level: | N/A |
| Absolute Calibration: | Yes | Baseline Subtraction: | Yes |
| Sky Subtraction: | Yes | Quality Flag(s): | N/A |
| Reference: | 1991A&AS...87..425R | | |
| Notes: | N/A | |
