Exposure
- ID
- GRAVI.2021-06-25T02:33:30.152_2
- Header ID
- GRAVI.2021-06-25T02:33:30.152
- Date updated
- 2021-06-25 02:50:43 UTC+0000
- Release date
- 2022-06-25 02:50:43 UTC+0000
- UTC Start
- 2021-06-25 02:33:30.152
- UTC End
- 2021-06-25 02:38:50.152
- MJD Start
- 59390.10659898
- MJD End
- 59390.1103026837
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005354
- Ambient temperature (°C)
- 10.48
- Seeing (arcsec)
- 0.545
Observation
- ID
- 47538
- Category
- science
- Program ID
- 105.20B2.003
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ PERRIN/ STRAUBMEIER/ ROUSSELET-PERRAUT/ GARCIA/ BRANDNER/ GENZEL/ ECKART/ PAUMARD/ CL'ENET/ GAO/ HABIBI/ HORROBIN/ KERVELLA/ OTT/ WIDMANN/ VON FELLENBERG/ HENNING/ PFUHL/ WAISBERG/ DEXTER/ DE ZEEUW/ AMORIM
Target
- ID
- 35598
- Name
- IRS16C
- RA
- 266.417116666667
- DEC
- -29.0076491944444
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 | 56.4440 | 56.4620 | 13.7000 | 14.5000 |
| U1-U3 | 101.8560 | 101.9350 | 19.6000 | 20.4000 |
| U1-U4 | 125.3670 | 125.9130 | 46.4600 | 47.3880 |
| U2-U3 | 46.0740 | 46.1450 | 26.8000 | 27.7000 |
| U2-U4 | 83.6740 | 84.2980 | 67.8680 | 68.7330 |
| U3-U4 | 57.5450 | 58.0560 | 99.6100 | 100.2170 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59390.10659898 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.41688 |
| DEC | -29.00716 |
| 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 | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 56.444 |
| HIERARCH ESO ISS PBL12 END | 56.462 |
| HIERARCH ESO ISS PBLA12 START | 13.7 |
| HIERARCH ESO ISS PBLA12 END | 14.5 |
| HIERARCH ESO ISS PBL13 START | 101.856 |
| HIERARCH ESO ISS PBL13 END | 101.935 |
| HIERARCH ESO ISS PBLA13 START | 19.6 |
| HIERARCH ESO ISS PBLA13 END | 20.4 |
| HIERARCH ESO ISS PBL14 START | 125.367 |
| HIERARCH ESO ISS PBL14 END | 125.913 |
| HIERARCH ESO ISS PBLA14 START | 46.46 |
| HIERARCH ESO ISS PBLA14 END | 47.388 |
| HIERARCH ESO ISS PBL23 START | 46.074 |
| HIERARCH ESO ISS PBL23 END | 46.145 |
| HIERARCH ESO ISS PBLA23 START | 26.8 |
| HIERARCH ESO ISS PBLA23 END | 27.7 |
| HIERARCH ESO ISS PBL24 START | 83.674 |
| HIERARCH ESO ISS PBL24 END | 84.298 |
| HIERARCH ESO ISS PBLA24 START | 67.868 |
| HIERARCH ESO ISS PBLA24 END | 68.733 |
| HIERARCH ESO ISS PBL34 START | 57.545 |
| HIERARCH ESO ISS PBL34 END | 58.056 |
| HIERARCH ESO ISS PBLA34 START | 99.61 |
| HIERARCH ESO ISS PBLA34 END | 100.217 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005684 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005024 |
| HIERARCH ESO ISS AMBI TEMP | 10.48 |
| HIERARCH ESO ISS AMBI FWHM START | 0.55 |
| HIERARCH ESO ISS AMBI FWHM END | 0.54 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |