Summary Page for Probing dark energy using the X-ray gas mass fraction in dynamically relaxed galaxy clusters
Probing dark energy using the X-ray gas mass fraction in dynamically relaxed galaxy clusters

Target: MACS1621.6+3810

Chandra
X-ray
Center

PI: Dr Steven Allen 
Seq Num: 800557
Obs ID: 6172
Instrument: ACIS




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Level 1 Parameters
Level 2 Parameters

Level 1 Parameters
Parameter Value Description
ASCDSVER 7.6.7.1 ASCDS version number
DATE 2006-04-07T14:33:35 Date and time of file creation
DATE-OBS 2004-12-25T21:46:30 Observation start date
DATE-END 2004-12-26T06:42:56 Observation end date
RA_PNT 245.38509116752 Pointing RA
DEC_PNT 38.18077974063 Pointing Dec
ROLL_PNT 29.4124551165 Pointing Roll
RA_TARG 245.353333 Observer's specified target RA
DEC_TARG 38.168889 Observer's specified target Dec
DATAMODE VFAINT Data mode
READMODE TIMED Read mode
FP_TEMP 153.4460144 Focal Plane Temperature [K]
FSW_VERS 31 ACIS flight software version number



Level 2 Parameters
Parameter Value Description
ASCDSVER 7.6.7.1 ASCDS version number
DATE 2006-04-07T16:11:33 Date and time of file creation
DATE-OBS 2004-12-25T21:46:30 Observation start date
DATE-END 2004-12-26T06:42:56 Observation end date
INSTRUME ACIS Instrument
DETNAM ACIS-01236 Detector
GRATING NONE Grating
OBJECT MACS1621.6+3810 Source name
TITLE Probing dark energy using the X-ray gas mass fraction in dynamically relaxed galaxy clusters Proposal title
OBSERVER Dr Steven Allen Principal investigator
OBS_ID 6172 Observation id
SEQ_NUM 800557 Sequence number
RA_NOM 245.38509116752 Nominal RA
DEC_NOM 38.18077974063 Nominal Dec
ROLL_NOM 29.4124551165 Nominal Roll