Exposure
ID
GRAVI.2025-02-27T01:44:28.482_1
Header ID
GRAVI.2025-02-27T01:44:28.482
Date updated
2025-02-28 08:26:58 UTC+0000
Release date
2025-02-27 01:44:28 UTC+0000
UTC Start
2025-02-27 01:44:28.482
UTC End
2025-02-27 01:47:08.482
MJD Start
60733.07255187
MJD End
60733.074403721854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.005169
Ambient temperature (°C)
15.14
Seeing (arcsec)
0.675
Observation
ID
64854
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 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 84.7140 85.0050 103.4000 103.9000
A0-J2 125.1930 125.4890 80.0000 80.5000
A0-K0 127.1540 127.2690 59.2790 59.8140
G1-J2 58.2290 58.2290 44.6000 45.1000
G1-K0 88.8080 88.7570 17.6430 18.0450
J2-K0 45.3770 45.4280 342.0690 342.3740
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 60733.07255187
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 84.714
HIERARCH ESO ISS PBL12 END 85.005
HIERARCH ESO ISS PBLA12 START 103.4
HIERARCH ESO ISS PBLA12 END 103.9
HIERARCH ESO ISS PBL13 START 125.193
HIERARCH ESO ISS PBL13 END 125.489
HIERARCH ESO ISS PBLA13 START 80.0
HIERARCH ESO ISS PBLA13 END 80.5
HIERARCH ESO ISS PBL14 START 127.154
HIERARCH ESO ISS PBL14 END 127.269
HIERARCH ESO ISS PBLA14 START 59.279
HIERARCH ESO ISS PBLA14 END 59.814
HIERARCH ESO ISS PBL23 START 58.229
HIERARCH ESO ISS PBL23 END 58.229
HIERARCH ESO ISS PBLA23 START 44.6
HIERARCH ESO ISS PBLA23 END 45.1
HIERARCH ESO ISS PBL24 START 88.808
HIERARCH ESO ISS PBL24 END 88.757
HIERARCH ESO ISS PBLA24 START 17.643
HIERARCH ESO ISS PBLA24 END 18.045
HIERARCH ESO ISS PBL34 START 45.377
HIERARCH ESO ISS PBL34 END 45.428
HIERARCH ESO ISS PBLA34 START 342.069
HIERARCH ESO ISS PBLA34 END 342.374
HIERARCH ESO ISS AMBI TAU0 START 0.004753
HIERARCH ESO ISS AMBI TAU0 END 0.005585
HIERARCH ESO ISS AMBI TEMP 15.14
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.65