Exposure
- ID
- GRAVI.2021-06-26T03:57:56.034_2
- Header ID
- GRAVI.2021-06-26T03:57:56.034
- Date updated
- 2021-06-26 04:15:26 UTC+0000
- Release date
- 2022-06-26 04:15:25 UTC+0000
- UTC Start
- 2021-06-26 03:57:56.034
- UTC End
- 2021-06-26 04:03:16.034
- MJD Start
- 59391.16523188
- MJD End
- 59391.1689355837
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006638
- Ambient temperature (°C)
- 8.96
- Seeing (arcsec)
- 0.52
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 | 56.4940 | 56.4670 | 24.7000 | 25.3000 |
| U1-U3 | 102.3560 | 102.3040 | 31.0000 | 31.7000 |
| U1-U4 | 130.2090 | 130.1960 | 58.9510 | 59.6380 |
| U2-U3 | 46.6230 | 46.6010 | 38.7000 | 39.3000 |
| U2-U4 | 89.3700 | 89.4190 | 79.7990 | 80.4950 |
| U3-U4 | 62.3070 | 62.3870 | 109.2730 | 109.9370 |
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 | 59391.16523188 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416733 |
| DEC | -29.00724 |
| 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 | 56.494 |
| HIERARCH ESO ISS PBL12 END | 56.467 |
| HIERARCH ESO ISS PBLA12 START | 24.7 |
| HIERARCH ESO ISS PBLA12 END | 25.3 |
| HIERARCH ESO ISS PBL13 START | 102.356 |
| HIERARCH ESO ISS PBL13 END | 102.304 |
| HIERARCH ESO ISS PBLA13 START | 31.0 |
| HIERARCH ESO ISS PBLA13 END | 31.7 |
| HIERARCH ESO ISS PBL14 START | 130.209 |
| HIERARCH ESO ISS PBL14 END | 130.196 |
| HIERARCH ESO ISS PBLA14 START | 58.951 |
| HIERARCH ESO ISS PBLA14 END | 59.638 |
| HIERARCH ESO ISS PBL23 START | 46.623 |
| HIERARCH ESO ISS PBL23 END | 46.601 |
| HIERARCH ESO ISS PBLA23 START | 38.7 |
| HIERARCH ESO ISS PBLA23 END | 39.3 |
| HIERARCH ESO ISS PBL24 START | 89.37 |
| HIERARCH ESO ISS PBL24 END | 89.419 |
| HIERARCH ESO ISS PBLA24 START | 79.799 |
| HIERARCH ESO ISS PBLA24 END | 80.495 |
| HIERARCH ESO ISS PBL34 START | 62.307 |
| HIERARCH ESO ISS PBL34 END | 62.387 |
| HIERARCH ESO ISS PBLA34 START | 109.273 |
| HIERARCH ESO ISS PBLA34 END | 109.937 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006638 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006638 |
| HIERARCH ESO ISS AMBI TEMP | 8.96 |
| HIERARCH ESO ISS AMBI FWHM START | 0.52 |
| HIERARCH ESO ISS AMBI FWHM END | 0.52 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |