DSS Image & Aperture/Beam
PA = N/A
Spectrum Preview
Launch Specview Applet
from STScI
Retrieve Data
|
OBJECT INFORMATION
|
Published Values |
NED Cross-Identified Values |
| Name: | [HB89] 2251+158 | [HB89] 2251+158 |
| Position (J2000): | 22h53m57.74s | +16d08m53.56s | 22h53m57.74s | +16d08m53.56s |
| Origin: | N/A | | System: | Equatorial | | Type: | Decimal-Degrees | | Equinox: | J2000 |
| 343.4906163 | 16.1482111 | |
OBSERVATIONAL DETAILS
| Observed Region: | Integrated | Telescope Name: | HST 2.4m |
| Band (Line): | UV(Ly α forest) | Instrument Name: | FOS |
| Start Channel: | 1590.0 Å | Disperser Type: | Blazed-Grating |
| End Channel: | 2312.0 Å | Detector Type: | CCD |
| Channel Step: | 0.4 Å | Observation Mode: | Aperture |
| Spectral Resolution: | 2.0 Å | Aperture/Beam Size: | 2.0 arcsec |
| Mean Resolving Power: | 150874.0 | 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: | 2013 |
| Flux Units: | erg s-1 cm-2 Å-1 | 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: | 2002ApJS..140..143B | | |
| Notes: | N/A | |
DSS Image & Aperture/Beam
PA = N/A
Spectrum Preview
Launch Specview Applet
from STScI
Retrieve Data
|
OBJECT INFORMATION
|
Published Values |
NED Cross-Identified Values |
| Name: | [HB89] 2251+158 | [HB89] 2251+158 |
| Position (J2000): | 22h53m57.74s | +16d08m53.56s | 22h53m57.74s | +16d08m53.56s |
| Origin: | N/A | | System: | Equatorial | | Type: | Decimal-Degrees | | Equinox: | J2000 |
| 343.4906163 | 16.1482111 | |
OBSERVATIONAL DETAILS
| Observed Region: | Integrated | Telescope Name: | HST 2.4m |
| Band (Line): | UV(Ly α forest) | Instrument Name: | FOS |
| Start Channel: | 2223.0 Å | Disperser Type: | Blazed-Grating |
| End Channel: | 3278.0 Å | Detector Type: | CCD |
| Channel Step: | 0.5 Å | Observation Mode: | Aperture |
| Spectral Resolution: | 2.0 Å | Aperture/Beam Size: | 2.0 arcsec |
| Mean Resolving Power: | 151274.0 | 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: | 2064 |
| Flux Units: | erg s-1 cm-2 Å-1 | 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: | 2002ApJS..140..143B | | |
| Notes: | N/A | |
DSS Image & Aperture/Beam
PA = N/A
Spectrum Preview
Launch Specview Applet
from STScI
Retrieve Data
|
OBJECT INFORMATION
|
Published Values |
NED Cross-Identified Values |
| Name: | 3C 454.3 | 3C 454.3 |
| Position (J2000): | 22h53m57.75s | +16d08m53.56s | 22h53m57.75s | +16d08m53.56s |
| Origin: | Published-Value | | System: | Equatorial | | Type: | Decimal-Degrees | | Equinox: | J2000 |
| 343.490616 | 16.148211 | |
OBSERVATIONAL DETAILS
| Observed Region: | Nucleus | Telescope Name: | HST 2.4m |
| Band (Line): | Optical(C IV) | Instrument Name: | FOS |
| Start Channel: | 2222.6 Å | Disperser Type: | Blazed-Grating |
| End Channel: | 3275.5 Å | Detector Type: | CCD |
| Channel Step: | 0.5 Å | Observation Mode: | Aperture |
| Spectral Resolution: | 2.0 Å | Aperture/Beam Size: | 2.0 arcsec |
| Mean Resolving Power: | 1370.0 | Extracted Region Size: | N/A |
| Seeing: | N/A | Position Angle of Slit: | N/A |
| Airmass: | N/A | Dimension of Spectrum: | 1 D |
| Integration Time: | 1000 sec | Number of Pixels: | 2061 |
| Flux Units: | erg s-1 cm-2 Å-1 | Reference Frame: | Observed |
| Flux Calibration: | Yes | Sensitivity Level: | N/A |
| Absolute Calibration: | Yes | Baseline Subtraction: | Yes |
| Sky Subtraction: | Yes | Quality Flag(s): | 0 |
| Reference: | 2012RMxAA..48....9T | | |
| Notes: | N/A | |
DSS Image & Aperture/Beam
PA = N/A
Spectrum Preview
Launch Specview Applet
from STScI
Retrieve Data
|
OBJECT INFORMATION
|
Published Values |
NED Cross-Identified Values |
| Name: | [HB89] 2251+158 | [HB89] 2251+158 |
| Position (J2000): | 22h53m57.75s | +16d08m53.56s | 22h53m57.75s | +16d08m53.56s |
| Origin: | Published-Value | | System: | Equatorial | | Type: | Decimal-Degrees | | Equinox: | J2000 |
| 343.490616 | 16.148211 | |
OBSERVATIONAL DETAILS
| Observed Region: | Nucleus | Telescope Name: | OAN-SPM 2.1m |
| Band (Line): | Optical(Mg II) | Instrument Name: | Boller Chivens Spectrograph |
| Start Channel: | 3894.0 Å | Disperser Type: | |
| End Channel: | 8036.2 Å | Detector Type: | CCD |
| Channel Step: | 4.0 Å | Observation Mode: | Aperture |
| Spectral Resolution: | 8.5 Å | Aperture/Beam Size: | 2.5 arcsec |
| Mean Resolving Power: | 702.0 | Extracted Region Size: | N/A |
| Seeing: | N/A | Position Angle of Slit: | N/A |
| Airmass: | N/A | Dimension of Spectrum: | 1 D |
| Integration Time: | 3600 sec | Number of Pixels: | 1024 |
| Flux Units: | erg s-1 cm-2 Å-1 | Reference Frame: | Observed |
| Flux Calibration: | Yes | Sensitivity Level: | N/A |
| Absolute Calibration: | Yes | Baseline Subtraction: | Yes |
| Sky Subtraction: | Yes | Quality Flag(s): | 0 |
| Reference: | 2012RMxAA..48....9T | | |
| Notes: | N/A | |
