Exposure
ID
GRAVI.2023-01-10T06:46:10.927_1
Header ID
GRAVI.2023-01-10T06:46:10.927
Date updated
2023-01-10 07:00:55 UTC+0000
Release date
2023-01-10 06:46:10 UTC+0000
UTC Start
2023-01-10 06:46:10.927
UTC End
2023-01-10 06:52:10.927
MJD Start
59954.28207092
MJD End
59954.2862375867
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.009134
Ambient temperature (°C)
11.77
Seeing (arcsec)
0.465
Observation
ID
53801
Category
calibrator
Program ID
110.245A.001
Program Title
FEASIBILITY STUDY OF RESOLVING THE NUCLEAR REGIONS OF EHT TARGETS
Program Type
Normal
PI / COI
RAMAKRISHNAN/ TRISTRAM/ KOTILAINEN
Target
ID
39994
Name
CD-40_7646
RA
195.783455
DEC
-40.89683
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 56.2580 56.2640 356.6000 357.5000
U1-U3 102.4130 102.4120 0.8000 1.8000
U1-U4 122.7490 123.0670 20.1140 21.5400
U2-U3 46.4920 46.5010 5.9000 7.0000
U2-U4 74.6300 75.2610 37.6280 39.2720
U3-U4 42.7520 43.6500 72.4960 73.8920
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 110.245A.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 59954.28207092
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME CD-40 7646
HIERARCH ESO INS SOBJ NAME CD-40_7646
RA 195.783455
DEC -40.89683
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 56.258
HIERARCH ESO ISS PBL12 END 56.264
HIERARCH ESO ISS PBLA12 START 356.6
HIERARCH ESO ISS PBLA12 END 357.5
HIERARCH ESO ISS PBL13 START 102.413
HIERARCH ESO ISS PBL13 END 102.412
HIERARCH ESO ISS PBLA13 START 0.8
HIERARCH ESO ISS PBLA13 END 1.8
HIERARCH ESO ISS PBL14 START 122.749
HIERARCH ESO ISS PBL14 END 123.067
HIERARCH ESO ISS PBLA14 START 20.114
HIERARCH ESO ISS PBLA14 END 21.54
HIERARCH ESO ISS PBL23 START 46.492
HIERARCH ESO ISS PBL23 END 46.501
HIERARCH ESO ISS PBLA23 START 5.9
HIERARCH ESO ISS PBLA23 END 7.0
HIERARCH ESO ISS PBL24 START 74.63
HIERARCH ESO ISS PBL24 END 75.261
HIERARCH ESO ISS PBLA24 START 37.628
HIERARCH ESO ISS PBLA24 END 39.272
HIERARCH ESO ISS PBL34 START 42.752
HIERARCH ESO ISS PBL34 END 43.65
HIERARCH ESO ISS PBLA34 START 72.496
HIERARCH ESO ISS PBLA34 END 73.892
HIERARCH ESO ISS AMBI TAU0 START 0.008855
HIERARCH ESO ISS AMBI TAU0 END 0.009413
HIERARCH ESO ISS AMBI TEMP 11.77
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.43