Exposure
ID
GRAVI.2025-02-25T04:27:26.586_1
Header ID
GRAVI.2025-02-25T04:27:26.586
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2025-02-25 04:27:26 UTC+0000
UTC Start
2025-02-25 04:27:26.586
UTC End
2025-02-25 04:30:38.586
MJD Start
60731.18572438
MJD End
60731.18794660222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.007467
Ambient temperature (°C)
15.67
Seeing (arcsec)
1.17
Observation
ID
64840
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
48285
Name
d_Vel
RA
131.096577
DEC
-42.64917
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.1760 90.1010 128.6000 129.3000
A0-J2 125.4680 125.1080 106.9000 107.6000
A0-K0 119.9010 119.3620 85.1350 85.7440
G1-J2 53.3920 53.1320 68.2000 68.8000
G1-K0 82.5680 82.3040 36.4150 36.7970
J2-K0 46.6590 46.6600 359.2960 359.7240
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 60731.18572438
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME d Vel
HIERARCH ESO INS SOBJ NAME d_Vel
RA 131.096577
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 90.176
HIERARCH ESO ISS PBL12 END 90.101
HIERARCH ESO ISS PBLA12 START 128.6
HIERARCH ESO ISS PBLA12 END 129.3
HIERARCH ESO ISS PBL13 START 125.468
HIERARCH ESO ISS PBL13 END 125.108
HIERARCH ESO ISS PBLA13 START 106.9
HIERARCH ESO ISS PBLA13 END 107.6
HIERARCH ESO ISS PBL14 START 119.901
HIERARCH ESO ISS PBL14 END 119.362
HIERARCH ESO ISS PBLA14 START 85.135
HIERARCH ESO ISS PBLA14 END 85.744
HIERARCH ESO ISS PBL23 START 53.392
HIERARCH ESO ISS PBL23 END 53.132
HIERARCH ESO ISS PBLA23 START 68.2
HIERARCH ESO ISS PBLA23 END 68.8
HIERARCH ESO ISS PBL24 START 82.568
HIERARCH ESO ISS PBL24 END 82.304
HIERARCH ESO ISS PBLA24 START 36.415
HIERARCH ESO ISS PBLA24 END 36.797
HIERARCH ESO ISS PBL34 START 46.659
HIERARCH ESO ISS PBL34 END 46.66
HIERARCH ESO ISS PBLA34 START 359.296
HIERARCH ESO ISS PBLA34 END 359.724
HIERARCH ESO ISS AMBI TAU0 START 0.006305
HIERARCH ESO ISS AMBI TAU0 END 0.008629
HIERARCH ESO ISS AMBI TEMP 15.67
HIERARCH ESO ISS AMBI FWHM START 1.27
HIERARCH ESO ISS AMBI FWHM END 1.07