Exposure
ID
GRAVI.2025-08-23T00:31:34.051_1
Header ID
GRAVI.2025-08-23T00:31:34.051
Date updated
2025-08-23 00:51:01 UTC+0000
Release date
2025-08-23 00:51:01 UTC+0000
UTC Start
2025-08-23 00:31:34.051
UTC End
2025-08-23 00:36:34.051
MJD Start
60910.02192189
MJD End
60910.02539411222
Exposure time (s)
300.0
Validation level
1
Tau 0: Coherence time (s)
0.0021145
Ambient temperature (°C)
3.8
Seeing (arcsec)
0.93
Observation
ID
70069
Category
science
Program ID
115.2811.001
Program Title
REFERENCE STAR VETTING FOR THE CORONAGRAPHIC INSTRUMENT OF THE ROMAN SPACE TELESCOPE
Program Type
Normal
PI / COI
BRANDNER / CHAUVIN / BAILEY / BILLER / DE ROSA / GIRARD / GREENBAUM / HOM / KERVELLA / KRAUSE / LAGRANGE / MAZOYER / MOURARD / SANCHEZ / SAUTER / SCHRAGAL / STAPELFELDT / VIGAN / WANG / WOLFF / CARRIÓN-GONZÁLEZ
Target
ID
51984
Name
BetLib
RA
229.250021
DEC
-9.38302
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 43.5500 43.4750 171.3000 172.2000
A0-J2 99.9260 97.9410 101.3000 101.8000
A0-J6 168.3760 168.0600 35.5430 35.6260
B5-J2 94.3970 92.9490 75.6000 75.6000
B5-J6 201.8860 201.8800 26.8890 27.1190
J2-J6 156.5570 156.5660 359.9530 0.7290
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.2811.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60910.02192189
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME bet Lib
HIERARCH ESO INS SOBJ NAME BetLib
RA 229.250021
DEC -9.38302
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 339.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 100
HIERARCH ESO ISS PBL12 START 43.55
HIERARCH ESO ISS PBL12 END 43.475
HIERARCH ESO ISS PBLA12 START 171.3
HIERARCH ESO ISS PBLA12 END 172.2
HIERARCH ESO ISS PBL13 START 99.926
HIERARCH ESO ISS PBL13 END 97.941
HIERARCH ESO ISS PBLA13 START 101.3
HIERARCH ESO ISS PBLA13 END 101.8
HIERARCH ESO ISS PBL14 START 168.376
HIERARCH ESO ISS PBL14 END 168.06
HIERARCH ESO ISS PBLA14 START 35.543
HIERARCH ESO ISS PBLA14 END 35.626
HIERARCH ESO ISS PBL23 START 94.397
HIERARCH ESO ISS PBL23 END 92.949
HIERARCH ESO ISS PBLA23 START 75.6
HIERARCH ESO ISS PBLA23 END 75.6
HIERARCH ESO ISS PBL24 START 201.886
HIERARCH ESO ISS PBL24 END 201.88
HIERARCH ESO ISS PBLA24 START 26.889
HIERARCH ESO ISS PBLA24 END 27.119
HIERARCH ESO ISS PBL34 START 156.557
HIERARCH ESO ISS PBL34 END 156.566
HIERARCH ESO ISS PBLA34 START 359.953
HIERARCH ESO ISS PBLA34 END 0.729
HIERARCH ESO ISS AMBI TAU0 START 0.002138
HIERARCH ESO ISS AMBI TAU0 END 0.002091
HIERARCH ESO ISS AMBI TEMP 3.8
HIERARCH ESO ISS AMBI FWHM START 0.93
HIERARCH ESO ISS AMBI FWHM END 0.93