Exposure
- ID
- GRAVI.2025-11-03T06:47:31.606_1
- Header ID
- GRAVI.2025-11-03T06:47:31.606
- Date updated
- 2025-11-03 07:01:13 UTC+0000
- Release date
- 2025-11-03 06:47:31 UTC+0000
- UTC Start
- 2025-11-03 06:47:31.606
- UTC End
- 2025-11-03 06:51:31.606
- MJD Start
- 60982.2830047
- MJD End
- 60982.28578247778
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0023545
- Ambient temperature (°C)
- 10.59
- Seeing (arcsec)
- 1.2000000000000002
Observation
- ID
- 71017
- Category
- calibrator
- Program ID
- 116.28L4.001
- Program Title
- DETERMINING PRECISE DYNAMICAL MASSES OF A UNIQUE BE + SDO SYSTEM TO CALIBRATE THE PHYSICS OF BINARY MASS TRANSFER
- Program Type
- Normal
- PI / COI
- KLEMENT / RIVINIUS / DE MINK / LECHIEN
Target
- ID
- 52701
- Name
- HD_41644
- RA
- 91.515793
- DEC
- -7.31576
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 89.5270 | 89.7410 | 112.8000 | 112.9000 |
| A0-J2 | 123.8690 | 124.5300 | 90.5000 | 90.6000 |
| A0-K0 | 118.7230 | 119.5270 | 68.0970 | 68.3880 |
| G1-J2 | 53.2480 | 53.5820 | 50.9000 | 51.3000 |
| G1-K0 | 83.6480 | 83.8600 | 19.2720 | 19.8170 |
| J2-K0 | 47.4040 | 47.3450 | 343.1850 | 343.5580 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 116.28L4.001 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,SINGLE |
| MJD-OBS | 60982.2830047 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 41644 |
| HIERARCH ESO INS SOBJ NAME | HD_41644 |
| RA | 91.515793 |
| DEC | -7.31576 |
| 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 | G1 |
| HIERARCH ESO ISS CONF STATION3 | J2 |
| HIERARCH ESO ISS CONF STATION4 | K0 |
| EXPTIME | 256.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 89.527 |
| HIERARCH ESO ISS PBL12 END | 89.741 |
| HIERARCH ESO ISS PBLA12 START | 112.8 |
| HIERARCH ESO ISS PBLA12 END | 112.9 |
| HIERARCH ESO ISS PBL13 START | 123.869 |
| HIERARCH ESO ISS PBL13 END | 124.53 |
| HIERARCH ESO ISS PBLA13 START | 90.5 |
| HIERARCH ESO ISS PBLA13 END | 90.6 |
| HIERARCH ESO ISS PBL14 START | 118.723 |
| HIERARCH ESO ISS PBL14 END | 119.527 |
| HIERARCH ESO ISS PBLA14 START | 68.097 |
| HIERARCH ESO ISS PBLA14 END | 68.388 |
| HIERARCH ESO ISS PBL23 START | 53.248 |
| HIERARCH ESO ISS PBL23 END | 53.582 |
| HIERARCH ESO ISS PBLA23 START | 50.9 |
| HIERARCH ESO ISS PBLA23 END | 51.3 |
| HIERARCH ESO ISS PBL24 START | 83.648 |
| HIERARCH ESO ISS PBL24 END | 83.86 |
| HIERARCH ESO ISS PBLA24 START | 19.272 |
| HIERARCH ESO ISS PBLA24 END | 19.817 |
| HIERARCH ESO ISS PBL34 START | 47.404 |
| HIERARCH ESO ISS PBL34 END | 47.345 |
| HIERARCH ESO ISS PBLA34 START | 343.185 |
| HIERARCH ESO ISS PBLA34 END | 343.558 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002515 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002194 |
| HIERARCH ESO ISS AMBI TEMP | 10.59 |
| HIERARCH ESO ISS AMBI FWHM START | 1.06 |
| HIERARCH ESO ISS AMBI FWHM END | 1.34 |