Exposure
ID
GRAVI.2025-03-06T05:23:45.240_1
Header ID
GRAVI.2025-03-06T05:23:45.240
Date updated
2025-03-06 05:35:38 UTC+0000
Release date
2025-03-06 05:23:45 UTC+0000
UTC Start
2025-03-06 05:23:45.240
UTC End
2025-03-06 05:26:57.240
MJD Start
60740.22482917
MJD End
60740.22705139223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0062165
Ambient temperature (°C)
14.85
Seeing (arcsec)
0.625
Observation
ID
64982
Category
calibrator
Program ID
114.27NF.001
Program Title
UNVELING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
48298
Name
d_Vel
RA
131.096576
DEC
-42.64917
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.2980 25.2990 167.6000 168.2000
A0-D0 25.4700 25.2420 101.4000 102.1000
A0-C1 21.7160 21.6750 146.6790 147.4770
B2-D0 27.7410 27.5760 44.8000 45.1000
B2-C1 9.2420 9.1870 44.7600 45.0460
D0-C1 18.4990 18.3880 224.8330 225.1200
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27NF.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60740.22482917
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME d Vel
HIERARCH ESO INS SOBJ NAME d_Vel
RA 131.096576
DEC -42.64917
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 25.298
HIERARCH ESO ISS PBL12 END 25.299
HIERARCH ESO ISS PBLA12 START 167.6
HIERARCH ESO ISS PBLA12 END 168.2
HIERARCH ESO ISS PBL13 START 25.47
HIERARCH ESO ISS PBL13 END 25.242
HIERARCH ESO ISS PBLA13 START 101.4
HIERARCH ESO ISS PBLA13 END 102.1
HIERARCH ESO ISS PBL14 START 21.716
HIERARCH ESO ISS PBL14 END 21.675
HIERARCH ESO ISS PBLA14 START 146.679
HIERARCH ESO ISS PBLA14 END 147.477
HIERARCH ESO ISS PBL23 START 27.741
HIERARCH ESO ISS PBL23 END 27.576
HIERARCH ESO ISS PBLA23 START 44.8
HIERARCH ESO ISS PBLA23 END 45.1
HIERARCH ESO ISS PBL24 START 9.242
HIERARCH ESO ISS PBL24 END 9.187
HIERARCH ESO ISS PBLA24 START 44.76
HIERARCH ESO ISS PBLA24 END 45.046
HIERARCH ESO ISS PBL34 START 18.499
HIERARCH ESO ISS PBL34 END 18.388
HIERARCH ESO ISS PBLA34 START 224.833
HIERARCH ESO ISS PBLA34 END 225.12
HIERARCH ESO ISS AMBI TAU0 START 0.005684
HIERARCH ESO ISS AMBI TAU0 END 0.006749
HIERARCH ESO ISS AMBI TEMP 14.85
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.57