Exposure
ID
GRAVI.2025-03-06T03:45:11.990_1
Header ID
GRAVI.2025-03-06T03:45:11.990
Date updated
2025-03-06 04:00:39 UTC+0000
Release date
2025-03-06 03:45:11 UTC+0000
UTC Start
2025-03-06 03:45:11.990
UTC End
2025-03-06 03:48:23.990
MJD Start
60740.15638877
MJD End
60740.15861099223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0073974999999999996
Ambient temperature (°C)
14.62
Seeing (arcsec)
0.96
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 25.1270 25.1430 151.8000 152.3000
A0-D0 30.2210 30.0940 84.0000 84.6000
A0-C1 22.5710 22.5550 127.4070 128.0670
B2-D0 31.1420 31.0480 35.7000 36.1000
B2-C1 10.3740 10.3420 35.6660 36.0540
D0-C1 20.7690 20.7050 215.7350 216.1240
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 60740.15638877
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 25.127
HIERARCH ESO ISS PBL12 END 25.143
HIERARCH ESO ISS PBLA12 START 151.8
HIERARCH ESO ISS PBLA12 END 152.3
HIERARCH ESO ISS PBL13 START 30.221
HIERARCH ESO ISS PBL13 END 30.094
HIERARCH ESO ISS PBLA13 START 84.0
HIERARCH ESO ISS PBLA13 END 84.6
HIERARCH ESO ISS PBL14 START 22.571
HIERARCH ESO ISS PBL14 END 22.555
HIERARCH ESO ISS PBLA14 START 127.407
HIERARCH ESO ISS PBLA14 END 128.067
HIERARCH ESO ISS PBL23 START 31.142
HIERARCH ESO ISS PBL23 END 31.048
HIERARCH ESO ISS PBLA23 START 35.7
HIERARCH ESO ISS PBLA23 END 36.1
HIERARCH ESO ISS PBL24 START 10.374
HIERARCH ESO ISS PBL24 END 10.342
HIERARCH ESO ISS PBLA24 START 35.666
HIERARCH ESO ISS PBLA24 END 36.054
HIERARCH ESO ISS PBL34 START 20.769
HIERARCH ESO ISS PBL34 END 20.705
HIERARCH ESO ISS PBLA34 START 215.735
HIERARCH ESO ISS PBLA34 END 216.124
HIERARCH ESO ISS AMBI TAU0 START 0.007968
HIERARCH ESO ISS AMBI TAU0 END 0.006827
HIERARCH ESO ISS AMBI TEMP 14.62
HIERARCH ESO ISS AMBI FWHM START 0.88
HIERARCH ESO ISS AMBI FWHM END 1.04