Exposure
- ID
- GRAVI.2023-06-04T06:49:54.103_2
- Header ID
- GRAVI.2023-06-04T06:49:54.103
- Date updated
- 2023-06-04 07:05:38 UTC+0000
- Release date
- 2024-06-04 07:05:38 UTC+0000
- UTC Start
- 2023-06-04 06:49:54.103
- UTC End
- 2023-06-04 06:55:54.103
- MJD Start
- 60099.28465397
- MJD End
- 60099.2888206367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.010595
- Ambient temperature (°C)
- 13.66
- Seeing (arcsec)
- 0.505
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 | 55.4030 | 55.2430 | 32.9000 | 33.4000 |
| U1-U3 | 99.8810 | 99.5090 | 39.3000 | 39.8000 |
| U1-U4 | 125.0750 | 124.2050 | 68.0450 | 68.6760 |
| U2-U3 | 45.2390 | 45.0240 | 47.1000 | 47.6000 |
| U2-U4 | 85.9140 | 85.2710 | 89.8360 | 90.6280 |
| U3-U4 | 61.0010 | 60.6980 | 120.0700 | 121.0280 |
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 | 60099.28465397 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416752 |
| DEC | -29.00711 |
| 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 | 55.403 |
| HIERARCH ESO ISS PBL12 END | 55.243 |
| HIERARCH ESO ISS PBLA12 START | 32.9 |
| HIERARCH ESO ISS PBLA12 END | 33.4 |
| HIERARCH ESO ISS PBL13 START | 99.881 |
| HIERARCH ESO ISS PBL13 END | 99.509 |
| HIERARCH ESO ISS PBLA13 START | 39.3 |
| HIERARCH ESO ISS PBLA13 END | 39.8 |
| HIERARCH ESO ISS PBL14 START | 125.075 |
| HIERARCH ESO ISS PBL14 END | 124.205 |
| HIERARCH ESO ISS PBLA14 START | 68.045 |
| HIERARCH ESO ISS PBLA14 END | 68.676 |
| HIERARCH ESO ISS PBL23 START | 45.239 |
| HIERARCH ESO ISS PBL23 END | 45.024 |
| HIERARCH ESO ISS PBLA23 START | 47.1 |
| HIERARCH ESO ISS PBLA23 END | 47.6 |
| HIERARCH ESO ISS PBL24 START | 85.914 |
| HIERARCH ESO ISS PBL24 END | 85.271 |
| HIERARCH ESO ISS PBLA24 START | 89.836 |
| HIERARCH ESO ISS PBLA24 END | 90.628 |
| HIERARCH ESO ISS PBL34 START | 61.001 |
| HIERARCH ESO ISS PBL34 END | 60.698 |
| HIERARCH ESO ISS PBLA34 START | 120.07 |
| HIERARCH ESO ISS PBLA34 END | 121.028 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009722 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.011468 |
| HIERARCH ESO ISS AMBI TEMP | 13.66 |
| HIERARCH ESO ISS AMBI FWHM START | 0.47 |
| HIERARCH ESO ISS AMBI FWHM END | 0.54 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |