Exposure
- ID
- GRAVI.2025-06-08T23:38:39.102_1
- Header ID
- GRAVI.2025-06-08T23:38:39.102
- Date updated
- 2025-06-08 23:45:43 UTC+0000
- Release date
- 2025-06-08 23:38:39 UTC+0000
- UTC Start
- 2025-06-08 23:38:39.102
- UTC End
- 2025-06-08 23:39:11.102
- MJD Start
- 60834.98517479
- MJD End
- 60834.98554516037
- Exposure time (s)
- 32.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00245
- Ambient temperature (°C)
- 14.11
- Seeing (arcsec)
- 0.78
Observation
- ID
- 67762
- Category
- calibrator
- Program ID
- 60.A-9256(A)
- Program Title
- CALIBRATION RUN FOR GRAVITY
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 50400
- Name
- HD_104646
- RA
- 180.758945
- DEC
- -57.26039
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 49.3160 | 49.2880 | 30.6000 | 30.7000 |
| U1-U3 | 90.8930 | 90.8360 | 37.5000 | 37.6000 |
| U1-U4 | 125.2370 | 125.1730 | 65.0770 | 65.2390 |
| U2-U3 | 42.3490 | 42.3210 | 45.5000 | 45.7000 |
| U2-U4 | 89.0750 | 89.0590 | 83.3430 | 83.5180 |
| U3-U4 | 61.3860 | 61.4080 | 108.3690 | 108.5380 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 60.A-9256(A) |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,SINGLE |
| MJD-OBS | 60834.98517479 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 104646 |
| HIERARCH ESO INS SOBJ NAME | HD_104646 |
| RA | 180.758945 |
| DEC | -57.26039 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 54.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 49.316 |
| HIERARCH ESO ISS PBL12 END | 49.288 |
| HIERARCH ESO ISS PBLA12 START | 30.6 |
| HIERARCH ESO ISS PBLA12 END | 30.7 |
| HIERARCH ESO ISS PBL13 START | 90.893 |
| HIERARCH ESO ISS PBL13 END | 90.836 |
| HIERARCH ESO ISS PBLA13 START | 37.5 |
| HIERARCH ESO ISS PBLA13 END | 37.6 |
| HIERARCH ESO ISS PBL14 START | 125.237 |
| HIERARCH ESO ISS PBL14 END | 125.173 |
| HIERARCH ESO ISS PBLA14 START | 65.077 |
| HIERARCH ESO ISS PBLA14 END | 65.239 |
| HIERARCH ESO ISS PBL23 START | 42.349 |
| HIERARCH ESO ISS PBL23 END | 42.321 |
| HIERARCH ESO ISS PBLA23 START | 45.5 |
| HIERARCH ESO ISS PBLA23 END | 45.7 |
| HIERARCH ESO ISS PBL24 START | 89.075 |
| HIERARCH ESO ISS PBL24 END | 89.059 |
| HIERARCH ESO ISS PBLA24 START | 83.343 |
| HIERARCH ESO ISS PBLA24 END | 83.518 |
| HIERARCH ESO ISS PBL34 START | 61.386 |
| HIERARCH ESO ISS PBL34 END | 61.408 |
| HIERARCH ESO ISS PBLA34 START | 108.369 |
| HIERARCH ESO ISS PBLA34 END | 108.538 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00245 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00245 |
| HIERARCH ESO ISS AMBI TEMP | 14.11 |
| HIERARCH ESO ISS AMBI FWHM START | 0.78 |
| HIERARCH ESO ISS AMBI FWHM END | 0.78 |