Exposure
- ID
- GRAVI.2021-06-25T03:00:00.219_2
- Header ID
- GRAVI.2021-06-25T03:00:00.219
- Date updated
- 2021-06-25 03:15:38 UTC+0000
- Release date
- 2022-06-25 03:15:38 UTC+0000
- UTC Start
- 2021-06-25 03:00:00.219
- UTC End
- 2021-06-25 03:05:20.219
- MJD Start
- 59390.12500253
- MJD End
- 59390.1287062337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005843
- Ambient temperature (°C)
- 10.89
- Seeing (arcsec)
- 0.48
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 | 56.5210 | 56.5330 | 17.2000 | 17.9000 |
| U1-U3 | 102.1890 | 102.2470 | 23.3000 | 24.1000 |
| U1-U4 | 127.6750 | 128.0910 | 50.6070 | 51.4530 |
| U2-U3 | 46.3730 | 46.4260 | 30.7000 | 31.5000 |
| U2-U4 | 86.2920 | 86.7620 | 71.7410 | 72.5370 |
| U3-U4 | 59.6750 | 60.0560 | 102.4270 | 103.0400 |
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 | 59390.12500253 |
| 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 | 56.521 |
| HIERARCH ESO ISS PBL12 END | 56.533 |
| HIERARCH ESO ISS PBLA12 START | 17.2 |
| HIERARCH ESO ISS PBLA12 END | 17.9 |
| HIERARCH ESO ISS PBL13 START | 102.189 |
| HIERARCH ESO ISS PBL13 END | 102.247 |
| HIERARCH ESO ISS PBLA13 START | 23.3 |
| HIERARCH ESO ISS PBLA13 END | 24.1 |
| HIERARCH ESO ISS PBL14 START | 127.675 |
| HIERARCH ESO ISS PBL14 END | 128.091 |
| HIERARCH ESO ISS PBLA14 START | 50.607 |
| HIERARCH ESO ISS PBLA14 END | 51.453 |
| HIERARCH ESO ISS PBL23 START | 46.373 |
| HIERARCH ESO ISS PBL23 END | 46.426 |
| HIERARCH ESO ISS PBLA23 START | 30.7 |
| HIERARCH ESO ISS PBLA23 END | 31.5 |
| HIERARCH ESO ISS PBL24 START | 86.292 |
| HIERARCH ESO ISS PBL24 END | 86.762 |
| HIERARCH ESO ISS PBLA24 START | 71.741 |
| HIERARCH ESO ISS PBLA24 END | 72.537 |
| HIERARCH ESO ISS PBL34 START | 59.675 |
| HIERARCH ESO ISS PBL34 END | 60.056 |
| HIERARCH ESO ISS PBLA34 START | 102.427 |
| HIERARCH ESO ISS PBLA34 END | 103.04 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005913 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005773 |
| HIERARCH ESO ISS AMBI TEMP | 10.89 |
| HIERARCH ESO ISS AMBI FWHM START | 0.48 |
| HIERARCH ESO ISS AMBI FWHM END | 0.48 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |