Exposure
ID
GRAVI.2025-03-06T05:32:00.261_1
Header ID
GRAVI.2025-03-06T05:32:00.261
Date updated
2025-03-06 05:45:33 UTC+0000
Release date
2025-03-06 05:32:00 UTC+0000
UTC Start
2025-03-06 05:32:00.261
UTC End
2025-03-06 05:35:12.261
MJD Start
60740.23055858
MJD End
60740.232780802224
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.00591
Ambient temperature (°C)
14.95
Seeing (arcsec)
0.755
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 25.2990 25.2990 169.0000 169.7000
A0-D0 24.9590 24.7250 103.0000 103.8000
A0-C1 21.6240 21.5830 148.4660 149.2800
B2-D0 27.3690 27.1970 45.4000 45.7000
B2-C1 9.1180 9.0610 45.3930 45.6710
D0-C1 18.2500 18.1360 225.4660 225.7450
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 60740.23055858
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 25.299
HIERARCH ESO ISS PBL12 END 25.299
HIERARCH ESO ISS PBLA12 START 169.0
HIERARCH ESO ISS PBLA12 END 169.7
HIERARCH ESO ISS PBL13 START 24.959
HIERARCH ESO ISS PBL13 END 24.725
HIERARCH ESO ISS PBLA13 START 103.0
HIERARCH ESO ISS PBLA13 END 103.8
HIERARCH ESO ISS PBL14 START 21.624
HIERARCH ESO ISS PBL14 END 21.583
HIERARCH ESO ISS PBLA14 START 148.466
HIERARCH ESO ISS PBLA14 END 149.28
HIERARCH ESO ISS PBL23 START 27.369
HIERARCH ESO ISS PBL23 END 27.197
HIERARCH ESO ISS PBLA23 START 45.4
HIERARCH ESO ISS PBLA23 END 45.7
HIERARCH ESO ISS PBL24 START 9.118
HIERARCH ESO ISS PBL24 END 9.061
HIERARCH ESO ISS PBLA24 START 45.393
HIERARCH ESO ISS PBLA24 END 45.671
HIERARCH ESO ISS PBL34 START 18.25
HIERARCH ESO ISS PBL34 END 18.136
HIERARCH ESO ISS PBLA34 START 225.466
HIERARCH ESO ISS PBLA34 END 225.745
HIERARCH ESO ISS AMBI TAU0 START 0.005759
HIERARCH ESO ISS AMBI TAU0 END 0.006061
HIERARCH ESO ISS AMBI TEMP 14.95
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.74