Exposure
ID
GRAVI.2025-03-06T03:53:27.011_1
Header ID
GRAVI.2025-03-06T03:53:27.011
Date updated
2025-03-06 04:05:33 UTC+0000
Release date
2025-03-06 03:53:27 UTC+0000
UTC Start
2025-03-06 03:53:27.011
UTC End
2025-03-06 03:56:39.011
MJD Start
60740.16211818
MJD End
60740.164340402225
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.006992999999999999
Ambient temperature (°C)
14.71
Seeing (arcsec)
0.765
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 25.1610 25.1750 153.0000 153.6000
A0-D0 29.9320 29.7960 85.4000 86.0000
A0-C1 22.5340 22.5140 128.8870 129.5570
B2-D0 30.9280 30.8270 36.6000 37.0000
B2-C1 10.3020 10.2690 36.5290 36.9090
D0-C1 20.6250 20.5580 216.5980 216.9790
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 60740.16211818
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 25.161
HIERARCH ESO ISS PBL12 END 25.175
HIERARCH ESO ISS PBLA12 START 153.0
HIERARCH ESO ISS PBLA12 END 153.6
HIERARCH ESO ISS PBL13 START 29.932
HIERARCH ESO ISS PBL13 END 29.796
HIERARCH ESO ISS PBLA13 START 85.4
HIERARCH ESO ISS PBLA13 END 86.0
HIERARCH ESO ISS PBL14 START 22.534
HIERARCH ESO ISS PBL14 END 22.514
HIERARCH ESO ISS PBLA14 START 128.887
HIERARCH ESO ISS PBLA14 END 129.557
HIERARCH ESO ISS PBL23 START 30.928
HIERARCH ESO ISS PBL23 END 30.827
HIERARCH ESO ISS PBLA23 START 36.6
HIERARCH ESO ISS PBLA23 END 37.0
HIERARCH ESO ISS PBL24 START 10.302
HIERARCH ESO ISS PBL24 END 10.269
HIERARCH ESO ISS PBLA24 START 36.529
HIERARCH ESO ISS PBLA24 END 36.909
HIERARCH ESO ISS PBL34 START 20.625
HIERARCH ESO ISS PBL34 END 20.558
HIERARCH ESO ISS PBLA34 START 216.598
HIERARCH ESO ISS PBLA34 END 216.979
HIERARCH ESO ISS AMBI TAU0 START 0.007042
HIERARCH ESO ISS AMBI TAU0 END 0.006944
HIERARCH ESO ISS AMBI TEMP 14.71
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.78