Exposure
- ID
- GRAVI.2021-06-21T07:05:40.885_2
- Header ID
- GRAVI.2021-06-21T07:05:40.885
- Date updated
- 2021-06-21 07:20:27 UTC+0000
- Release date
- 2022-06-21 07:20:27 UTC+0000
- UTC Start
- 2021-06-21 07:05:40.885
- UTC End
- 2021-06-21 07:11:00.885
- MJD Start
- 59386.2956121
- MJD End
- 59386.2993158037
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002758
- Ambient temperature (°C)
- 8.84
- Seeing (arcsec)
- 0.645
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 | 52.2530 | 51.9510 | 38.6000 | 38.9000 |
| U1-U3 | 92.6100 | 91.9210 | 44.8000 | 45.1000 |
| U1-U4 | 108.2420 | 106.6780 | 75.7200 | 76.2080 |
| U2-U3 | 41.0580 | 40.6650 | 52.8000 | 53.1000 |
| U2-U4 | 73.6480 | 72.5410 | 101.0540 | 101.9270 |
| U3-U4 | 55.5390 | 55.0900 | 134.5360 | 135.7000 |
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 | 59386.2956121 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416992 |
| DEC | -29.00736 |
| 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 | 52.253 |
| HIERARCH ESO ISS PBL12 END | 51.951 |
| HIERARCH ESO ISS PBLA12 START | 38.6 |
| HIERARCH ESO ISS PBLA12 END | 38.9 |
| HIERARCH ESO ISS PBL13 START | 92.61 |
| HIERARCH ESO ISS PBL13 END | 91.921 |
| HIERARCH ESO ISS PBLA13 START | 44.8 |
| HIERARCH ESO ISS PBLA13 END | 45.1 |
| HIERARCH ESO ISS PBL14 START | 108.242 |
| HIERARCH ESO ISS PBL14 END | 106.678 |
| HIERARCH ESO ISS PBLA14 START | 75.72 |
| HIERARCH ESO ISS PBLA14 END | 76.208 |
| HIERARCH ESO ISS PBL23 START | 41.058 |
| HIERARCH ESO ISS PBL23 END | 40.665 |
| HIERARCH ESO ISS PBLA23 START | 52.8 |
| HIERARCH ESO ISS PBLA23 END | 53.1 |
| HIERARCH ESO ISS PBL24 START | 73.648 |
| HIERARCH ESO ISS PBL24 END | 72.541 |
| HIERARCH ESO ISS PBLA24 START | 101.054 |
| HIERARCH ESO ISS PBLA24 END | 101.927 |
| HIERARCH ESO ISS PBL34 START | 55.539 |
| HIERARCH ESO ISS PBL34 END | 55.09 |
| HIERARCH ESO ISS PBLA34 START | 134.536 |
| HIERARCH ESO ISS PBLA34 END | 135.7 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002714 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002802 |
| HIERARCH ESO ISS AMBI TEMP | 8.84 |
| HIERARCH ESO ISS AMBI FWHM START | 0.65 |
| 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 |