Exposure
- ID
- GRAVI.2024-03-26T07:48:06.470_2
- Header ID
- GRAVI.2024-03-26T07:48:06.470
- Date updated
- 2024-03-26 08:05:30 UTC+0000
- Release date
- 2025-03-26 08:05:30 UTC+0000
- UTC Start
- 2024-03-26 07:48:06.470
- UTC End
- 2024-03-26 07:54:06.470
- MJD Start
- 60395.32507488
- MJD End
- 60395.3292415467
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0044205
- Ambient temperature (°C)
- 14.14
- Seeing (arcsec)
- 1.085
Observation
- ID
- 58832
- Category
- science
- Program ID
- 112.25CV.001
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ WIDMANN/ DRESCHER/ RIBEIRO/ SADUN BORDONI/ STRAUBMEIER/ BRANDNER/ PERRIN/ ROUSSELET-PERRAUT/ GARCIA/ MANG/ PAUMARD/ ECKART/ VINCENT/ BOURDAROT/ LUTZ/ STURM/ CAO/ HORROBIN/ DE ZEEUW
Target
- ID
- 43560
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816944444
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.3090 | 56.3270 | 7.8000 | 8.7000 |
| U1-U3 | 101.2530 | 101.3420 | 13.3000 | 14.3000 |
| U1-U4 | 120.7610 | 121.5140 | 38.9890 | 40.2060 |
| U2-U3 | 45.5140 | 45.6000 | 20.0000 | 21.1000 |
| U2-U4 | 78.2060 | 79.1290 | 60.8620 | 62.0150 |
| U3-U4 | 52.9300 | 53.7310 | 95.0790 | 95.7830 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 112.25CV.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60395.32507488 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416828 |
| DEC | -29.00732 |
| HIERARCH ESO INS SPEC RES | LOW |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.309 |
| HIERARCH ESO ISS PBL12 END | 56.327 |
| HIERARCH ESO ISS PBLA12 START | 7.8 |
| HIERARCH ESO ISS PBLA12 END | 8.7 |
| HIERARCH ESO ISS PBL13 START | 101.253 |
| HIERARCH ESO ISS PBL13 END | 101.342 |
| HIERARCH ESO ISS PBLA13 START | 13.3 |
| HIERARCH ESO ISS PBLA13 END | 14.3 |
| HIERARCH ESO ISS PBL14 START | 120.761 |
| HIERARCH ESO ISS PBL14 END | 121.514 |
| HIERARCH ESO ISS PBLA14 START | 38.989 |
| HIERARCH ESO ISS PBLA14 END | 40.206 |
| HIERARCH ESO ISS PBL23 START | 45.514 |
| HIERARCH ESO ISS PBL23 END | 45.6 |
| HIERARCH ESO ISS PBLA23 START | 20.0 |
| HIERARCH ESO ISS PBLA23 END | 21.1 |
| HIERARCH ESO ISS PBL24 START | 78.206 |
| HIERARCH ESO ISS PBL24 END | 79.129 |
| HIERARCH ESO ISS PBLA24 START | 60.862 |
| HIERARCH ESO ISS PBLA24 END | 62.015 |
| HIERARCH ESO ISS PBL34 START | 52.93 |
| HIERARCH ESO ISS PBL34 END | 53.731 |
| HIERARCH ESO ISS PBLA34 START | 95.079 |
| HIERARCH ESO ISS PBLA34 END | 95.783 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003739 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005102 |
| HIERARCH ESO ISS AMBI TEMP | 14.14 |
| HIERARCH ESO ISS AMBI FWHM START | 1.19 |
| HIERARCH ESO ISS AMBI FWHM END | 0.98 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |