Exposure
- ID
- GRAVI.2023-06-07T07:44:19.243_2
- Header ID
- GRAVI.2023-06-07T07:44:19.243
- Date updated
- 2023-06-07 08:00:40 UTC+0000
- Release date
- 2024-06-07 08:00:40 UTC+0000
- UTC Start
- 2023-06-07 07:44:19.243
- UTC End
- 2023-06-07 07:50:19.243
- MJD Start
- 60102.32244494
- MJD End
- 60102.3266116067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007518
- Ambient temperature (°C)
- 14.21
- Seeing (arcsec)
- 0.57
Observation
- ID
- 55616
- Category
- science
- Program ID
- 111.24H1.002
- 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/ STRAUBMEIER/ BRANDNER/ ROUSSELET-PERRAUT/ PERRIN/ GARCIA/ ECKART/ DE ZEEUW/ WIDMANN/ PAUMARD/ HORROBIN/ VINCENT/ DRESCHER/ BOURDAROT/ CAO/ LUTZ/ STURM/ RIBEIRO
Target
- ID
- 41180
- Name
- IRS16C
- RA
- 266.417108333333
- DEC
- -29.0076453055556
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 | 53.1450 | 52.8450 | 37.6000 | 38.0000 |
| U1-U3 | 94.6540 | 93.9660 | 43.9000 | 44.2000 |
| U1-U4 | 112.9110 | 111.3340 | 74.1330 | 74.6940 |
| U2-U3 | 42.2270 | 41.8330 | 51.8000 | 52.2000 |
| U2-U4 | 76.9910 | 75.8560 | 98.3800 | 99.2990 |
| U3-U4 | 56.9440 | 56.4590 | 130.9750 | 132.1950 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60102.32244494 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416547 |
| DEC | -29.00719 |
| 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 | 53.145 |
| HIERARCH ESO ISS PBL12 END | 52.845 |
| HIERARCH ESO ISS PBLA12 START | 37.6 |
| HIERARCH ESO ISS PBLA12 END | 38.0 |
| HIERARCH ESO ISS PBL13 START | 94.654 |
| HIERARCH ESO ISS PBL13 END | 93.966 |
| HIERARCH ESO ISS PBLA13 START | 43.9 |
| HIERARCH ESO ISS PBLA13 END | 44.2 |
| HIERARCH ESO ISS PBL14 START | 112.911 |
| HIERARCH ESO ISS PBL14 END | 111.334 |
| HIERARCH ESO ISS PBLA14 START | 74.133 |
| HIERARCH ESO ISS PBLA14 END | 74.694 |
| HIERARCH ESO ISS PBL23 START | 42.227 |
| HIERARCH ESO ISS PBL23 END | 41.833 |
| HIERARCH ESO ISS PBLA23 START | 51.8 |
| HIERARCH ESO ISS PBLA23 END | 52.2 |
| HIERARCH ESO ISS PBL24 START | 76.991 |
| HIERARCH ESO ISS PBL24 END | 75.856 |
| HIERARCH ESO ISS PBLA24 START | 98.38 |
| HIERARCH ESO ISS PBLA24 END | 99.299 |
| HIERARCH ESO ISS PBL34 START | 56.944 |
| HIERARCH ESO ISS PBL34 END | 56.459 |
| HIERARCH ESO ISS PBLA34 START | 130.975 |
| HIERARCH ESO ISS PBLA34 END | 132.195 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007618 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007418 |
| HIERARCH ESO ISS AMBI TEMP | 14.21 |
| HIERARCH ESO ISS AMBI FWHM START | 0.62 |
| HIERARCH ESO ISS AMBI FWHM END | 0.52 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |