Exposure
- ID
- GRAVI.2023-07-06T03:55:46.906_2
- Header ID
- GRAVI.2023-07-06T03:55:46.906
- Date updated
- 2023-07-06 04:10:36 UTC+0000
- Release date
- 2024-07-06 04:10:36 UTC+0000
- UTC Start
- 2023-07-06 03:55:46.906
- UTC End
- 2023-07-06 04:01:46.906
- MJD Start
- 60131.16373734
- MJD End
- 60131.1679040067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0021365
- Ambient temperature (°C)
- 13.13
- Seeing (arcsec)
- 1.27
Observation
- ID
- 56080
- Category
- science
- Program ID
- 111.24H1.003
- 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 | 56.2290 | 56.1520 | 28.4000 | 29.1000 |
| U1-U3 | 101.7890 | 101.6140 | 34.8000 | 35.5000 |
| U1-U4 | 129.3710 | 129.0110 | 63.0310 | 63.7420 |
| U2-U3 | 46.3310 | 46.2330 | 42.6000 | 43.2000 |
| U2-U4 | 89.0100 | 88.7680 | 84.0510 | 84.8270 |
| U3-U4 | 62.3850 | 62.2950 | 113.5280 | 114.3560 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60131.16373734 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416914 |
| 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 | 56.229 |
| HIERARCH ESO ISS PBL12 END | 56.152 |
| HIERARCH ESO ISS PBLA12 START | 28.4 |
| HIERARCH ESO ISS PBLA12 END | 29.1 |
| HIERARCH ESO ISS PBL13 START | 101.789 |
| HIERARCH ESO ISS PBL13 END | 101.614 |
| HIERARCH ESO ISS PBLA13 START | 34.8 |
| HIERARCH ESO ISS PBLA13 END | 35.5 |
| HIERARCH ESO ISS PBL14 START | 129.371 |
| HIERARCH ESO ISS PBL14 END | 129.011 |
| HIERARCH ESO ISS PBLA14 START | 63.031 |
| HIERARCH ESO ISS PBLA14 END | 63.742 |
| HIERARCH ESO ISS PBL23 START | 46.331 |
| HIERARCH ESO ISS PBL23 END | 46.233 |
| HIERARCH ESO ISS PBLA23 START | 42.6 |
| HIERARCH ESO ISS PBLA23 END | 43.2 |
| HIERARCH ESO ISS PBL24 START | 89.01 |
| HIERARCH ESO ISS PBL24 END | 88.768 |
| HIERARCH ESO ISS PBLA24 START | 84.051 |
| HIERARCH ESO ISS PBLA24 END | 84.827 |
| HIERARCH ESO ISS PBL34 START | 62.385 |
| HIERARCH ESO ISS PBL34 END | 62.295 |
| HIERARCH ESO ISS PBLA34 START | 113.528 |
| HIERARCH ESO ISS PBLA34 END | 114.356 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001883 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00239 |
| HIERARCH ESO ISS AMBI TEMP | 13.13 |
| HIERARCH ESO ISS AMBI FWHM START | 1.48 |
| HIERARCH ESO ISS AMBI FWHM END | 1.06 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |