Exposure
- ID
- GRAVI.2025-11-29T00:38:24.808_1
- Header ID
- GRAVI.2025-11-29T00:38:24.808
- Date updated
- 2025-11-29 00:55:50 UTC+0000
- Release date
- 2025-11-29 00:38:24 UTC+0000
- UTC Start
- 2025-11-29 00:38:24.808
- UTC End
- 2025-11-29 00:43:44.808
- MJD Start
- 61008.02667602
- MJD End
- 61008.03037972371
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0099765
- Ambient temperature (°C)
- 15.68
- Seeing (arcsec)
- 0.61
Observation
- ID
- 71878
- Category
- calibrator
- Program ID
- 116.28VH.001
- Program Title
- INTERFEROMETRIC OBSERVATIONS OF HABITABLE WORLDS OBSERVATORY PROVISIONAL TARGETS
- Program Type
- Normal
- PI / COI
- ROETTENBACHER / MONNIER / ANUGU / BAINES / STONE / RAJAGOPAL
Target
- ID
- 53359
- Name
- HD_21665
- RA
- 52.411456
- DEC
- -6.80497
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B5 | 47.9110 | 48.0450 | 142.8000 | 142.8000 |
| A0-J2 | 92.7000 | 95.1260 | 87.0000 | 87.3000 |
| A0-J6 | 149.2550 | 149.3800 | 2.7220 | 3.7530 |
| B5-J2 | 76.7450 | 78.5870 | 56.0000 | 57.1000 |
| B5-J6 | 188.5170 | 188.3000 | 353.3350 | 354.1200 |
| J2-J6 | 167.7120 | 167.8260 | 329.3610 | 329.4800 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 116.28VH.001 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,SINGLE |
| MJD-OBS | 61008.02667602 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 21665 |
| HIERARCH ESO INS SOBJ NAME | HD_21665 |
| RA | 52.411456 |
| DEC | -6.80497 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| 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 | 377.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 320 |
| HIERARCH ESO ISS PBL12 START | 47.911 |
| HIERARCH ESO ISS PBL12 END | 48.045 |
| HIERARCH ESO ISS PBLA12 START | 142.8 |
| HIERARCH ESO ISS PBLA12 END | 142.8 |
| HIERARCH ESO ISS PBL13 START | 92.7 |
| HIERARCH ESO ISS PBL13 END | 95.126 |
| HIERARCH ESO ISS PBLA13 START | 87.0 |
| HIERARCH ESO ISS PBLA13 END | 87.3 |
| HIERARCH ESO ISS PBL14 START | 149.255 |
| HIERARCH ESO ISS PBL14 END | 149.38 |
| HIERARCH ESO ISS PBLA14 START | 2.722 |
| HIERARCH ESO ISS PBLA14 END | 3.753 |
| HIERARCH ESO ISS PBL23 START | 76.745 |
| HIERARCH ESO ISS PBL23 END | 78.587 |
| HIERARCH ESO ISS PBLA23 START | 56.0 |
| HIERARCH ESO ISS PBLA23 END | 57.1 |
| HIERARCH ESO ISS PBL24 START | 188.517 |
| HIERARCH ESO ISS PBL24 END | 188.3 |
| HIERARCH ESO ISS PBLA24 START | 353.335 |
| HIERARCH ESO ISS PBLA24 END | 354.12 |
| HIERARCH ESO ISS PBL34 START | 167.712 |
| HIERARCH ESO ISS PBL34 END | 167.826 |
| HIERARCH ESO ISS PBLA34 START | 329.361 |
| HIERARCH ESO ISS PBLA34 END | 329.48 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.010778 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009175 |
| HIERARCH ESO ISS AMBI TEMP | 15.68 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.65 |