Exposure
ID
GRAVI.2025-03-06T05:15:30.219_1
Header ID
GRAVI.2025-03-06T05:15:30.219
Date updated
2025-03-06 05:25:37 UTC+0000
Release date
2025-03-06 05:15:30 UTC+0000
UTC Start
2025-03-06 05:15:30.219
UTC End
2025-03-06 05:18:42.219
MJD Start
60740.21909976
MJD End
60740.22132198222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0063935
Ambient temperature (°C)
14.94
Seeing (arcsec)
0.6950000000000001
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 25.2970 25.2980 166.2000 166.9000
A0-D0 25.9660 25.7450 99.8000 100.5000
A0-C1 21.8080 21.7670 144.9200 145.7050
B2-D0 28.0990 27.9400 44.2000 44.4000
B2-C1 9.3610 9.3080 44.1050 44.4010
D0-C1 18.7380 18.6320 224.1780 224.4740
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 60740.21909976
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 25.297
HIERARCH ESO ISS PBL12 END 25.298
HIERARCH ESO ISS PBLA12 START 166.2
HIERARCH ESO ISS PBLA12 END 166.9
HIERARCH ESO ISS PBL13 START 25.966
HIERARCH ESO ISS PBL13 END 25.745
HIERARCH ESO ISS PBLA13 START 99.8
HIERARCH ESO ISS PBLA13 END 100.5
HIERARCH ESO ISS PBL14 START 21.808
HIERARCH ESO ISS PBL14 END 21.767
HIERARCH ESO ISS PBLA14 START 144.92
HIERARCH ESO ISS PBLA14 END 145.705
HIERARCH ESO ISS PBL23 START 28.099
HIERARCH ESO ISS PBL23 END 27.94
HIERARCH ESO ISS PBLA23 START 44.2
HIERARCH ESO ISS PBLA23 END 44.4
HIERARCH ESO ISS PBL24 START 9.361
HIERARCH ESO ISS PBL24 END 9.308
HIERARCH ESO ISS PBLA24 START 44.105
HIERARCH ESO ISS PBLA24 END 44.401
HIERARCH ESO ISS PBL34 START 18.738
HIERARCH ESO ISS PBL34 END 18.632
HIERARCH ESO ISS PBLA34 START 224.178
HIERARCH ESO ISS PBLA34 END 224.474
HIERARCH ESO ISS AMBI TAU0 START 0.006245
HIERARCH ESO ISS AMBI TAU0 END 0.006542
HIERARCH ESO ISS AMBI TEMP 14.94
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.68