Exposure
- ID
- GRAVI.2021-05-30T05:20:56.309_2
- Header ID
- GRAVI.2021-05-30T05:20:56.309
- Date updated
- 2021-05-30 05:35:14 UTC+0000
- Release date
- 2022-05-30 05:35:14 UTC+0000
- UTC Start
- 2021-05-30 05:20:56.309
- UTC End
- 2021-05-30 05:26:16.309
- MJD Start
- 59364.22287395
- MJD End
- 59364.2265776537
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0072065
- Ambient temperature (°C)
- 9.77
- Seeing (arcsec)
- 0.62
Observation
- ID
- 47463
- Category
- science
- Program ID
- 105.20B2.002
- 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 | 56.5550 | 56.5470 | 22.0000 | 22.7000 |
| U1-U3 | 102.4330 | 102.4330 | 28.3000 | 29.0000 |
| U1-U4 | 129.8070 | 129.9720 | 56.0380 | 56.7850 |
| U2-U3 | 46.6250 | 46.6370 | 35.9000 | 36.6000 |
| U2-U4 | 88.7540 | 88.9680 | 76.9180 | 77.6480 |
| U3-U4 | 61.7040 | 61.8960 | 106.6540 | 107.2990 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59364.22287395 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.41672 |
| DEC | -29.00717 |
| 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 | 56.555 |
| HIERARCH ESO ISS PBL12 END | 56.547 |
| HIERARCH ESO ISS PBLA12 START | 22.0 |
| HIERARCH ESO ISS PBLA12 END | 22.7 |
| HIERARCH ESO ISS PBL13 START | 102.433 |
| HIERARCH ESO ISS PBL13 END | 102.433 |
| HIERARCH ESO ISS PBLA13 START | 28.3 |
| HIERARCH ESO ISS PBLA13 END | 29.0 |
| HIERARCH ESO ISS PBL14 START | 129.807 |
| HIERARCH ESO ISS PBL14 END | 129.972 |
| HIERARCH ESO ISS PBLA14 START | 56.038 |
| HIERARCH ESO ISS PBLA14 END | 56.785 |
| HIERARCH ESO ISS PBL23 START | 46.625 |
| HIERARCH ESO ISS PBL23 END | 46.637 |
| HIERARCH ESO ISS PBLA23 START | 35.9 |
| HIERARCH ESO ISS PBLA23 END | 36.6 |
| HIERARCH ESO ISS PBL24 START | 88.754 |
| HIERARCH ESO ISS PBL24 END | 88.968 |
| HIERARCH ESO ISS PBLA24 START | 76.918 |
| HIERARCH ESO ISS PBLA24 END | 77.648 |
| HIERARCH ESO ISS PBL34 START | 61.704 |
| HIERARCH ESO ISS PBL34 END | 61.896 |
| HIERARCH ESO ISS PBLA34 START | 106.654 |
| HIERARCH ESO ISS PBLA34 END | 107.299 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006994 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007419 |
| HIERARCH ESO ISS AMBI TEMP | 9.77 |
| HIERARCH ESO ISS AMBI FWHM START | 0.61 |
| HIERARCH ESO ISS AMBI FWHM END | 0.63 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |