Exposure
- ID
- GRAVI.2021-06-25T05:34:18.607_2
- Header ID
- GRAVI.2021-06-25T05:34:18.607
- Date updated
- 2021-06-25 05:50:24 UTC+0000
- Release date
- 2022-06-25 05:50:24 UTC+0000
- UTC Start
- 2021-06-25 05:34:18.607
- UTC End
- 2021-06-25 05:39:38.607
- MJD Start
- 59390.2321598
- MJD End
- 59390.2358635037
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0046465
- Ambient temperature (°C)
- 10.19
- Seeing (arcsec)
- 0.675
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 | 55.1780 | 55.0230 | 33.6000 | 34.1000 |
| U1-U3 | 99.3580 | 98.9960 | 40.0000 | 40.4000 |
| U1-U4 | 123.8510 | 123.0030 | 68.9180 | 69.4630 |
| U2-U3 | 44.9370 | 44.7280 | 47.8000 | 48.3000 |
| U2-U4 | 85.0080 | 84.3800 | 90.9360 | 91.6400 |
| U3-U4 | 60.5740 | 60.2800 | 121.4040 | 122.2720 |
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 | 59390.2321598 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.4168 |
| DEC | -29.00706 |
| 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 | 55.178 |
| HIERARCH ESO ISS PBL12 END | 55.023 |
| HIERARCH ESO ISS PBLA12 START | 33.6 |
| HIERARCH ESO ISS PBLA12 END | 34.1 |
| HIERARCH ESO ISS PBL13 START | 99.358 |
| HIERARCH ESO ISS PBL13 END | 98.996 |
| HIERARCH ESO ISS PBLA13 START | 40.0 |
| HIERARCH ESO ISS PBLA13 END | 40.4 |
| HIERARCH ESO ISS PBL14 START | 123.851 |
| HIERARCH ESO ISS PBL14 END | 123.003 |
| HIERARCH ESO ISS PBLA14 START | 68.918 |
| HIERARCH ESO ISS PBLA14 END | 69.463 |
| HIERARCH ESO ISS PBL23 START | 44.937 |
| HIERARCH ESO ISS PBL23 END | 44.728 |
| HIERARCH ESO ISS PBLA23 START | 47.8 |
| HIERARCH ESO ISS PBLA23 END | 48.3 |
| HIERARCH ESO ISS PBL24 START | 85.008 |
| HIERARCH ESO ISS PBL24 END | 84.38 |
| HIERARCH ESO ISS PBLA24 START | 90.936 |
| HIERARCH ESO ISS PBLA24 END | 91.64 |
| HIERARCH ESO ISS PBL34 START | 60.574 |
| HIERARCH ESO ISS PBL34 END | 60.28 |
| HIERARCH ESO ISS PBLA34 START | 121.404 |
| HIERARCH ESO ISS PBLA34 END | 122.272 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004341 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004952 |
| HIERARCH ESO ISS AMBI TEMP | 10.19 |
| HIERARCH ESO ISS AMBI FWHM START | 0.71 |
| HIERARCH ESO ISS AMBI FWHM END | 0.64 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |