Exposure
- ID
- GRAVI.2021-03-28T06:50:44.136_2
- Header ID
- GRAVI.2021-03-28T06:50:44.136
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-28 07:00:14 UTC+0000
- UTC Start
- 2021-03-28 06:50:44.136
- UTC End
- 2021-03-28 06:52:24.136
- MJD Start
- 59301.28523305
- MJD End
- 59301.2863904574
- Exposure time (s)
- 100.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0041495
- Ambient temperature (°C)
- 12.3
- Seeing (arcsec)
- 0.705
Observation
- ID
- 47319
- Category
- science
- Program ID
- 106.20XY.001
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ KERVELLA/ OTT/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ HABIBI/ HENNING/ PAUMARD/ PERRIN/ HORROBIN/ CL\XC3\XA9NET
Target
- ID
- 35485
- Name
- IRS16C
- RA
- 266.417115
- DEC
- -29.0076495277778
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 | 56.2280 | 56.2280 | 0.6000 | 0.9000 |
| U1-U3 | 100.7190 | 100.7350 | 5.3000 | 5.7000 |
| U1-U4 | 114.8430 | 115.1020 | 28.5420 | 29.0570 |
| U2-U3 | 44.9210 | 44.9430 | 11.2000 | 11.6000 |
| U2-U4 | 70.3230 | 70.6990 | 50.5750 | 51.1030 |
| U3-U4 | 45.6020 | 45.9760 | 89.2600 | 89.5450 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.20XY.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59301.28523305 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16NW |
| HIERARCH ESO INS SOBJ NAME | IRS16NW |
| RA | 266.416976 |
| DEC | -29.00714 |
| 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 | 140.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 100 |
| HIERARCH ESO ISS PBL12 START | 56.228 |
| HIERARCH ESO ISS PBL12 END | 56.228 |
| HIERARCH ESO ISS PBLA12 START | 0.6 |
| HIERARCH ESO ISS PBLA12 END | 0.9 |
| HIERARCH ESO ISS PBL13 START | 100.719 |
| HIERARCH ESO ISS PBL13 END | 100.735 |
| HIERARCH ESO ISS PBLA13 START | 5.3 |
| HIERARCH ESO ISS PBLA13 END | 5.7 |
| HIERARCH ESO ISS PBL14 START | 114.843 |
| HIERARCH ESO ISS PBL14 END | 115.102 |
| HIERARCH ESO ISS PBLA14 START | 28.542 |
| HIERARCH ESO ISS PBLA14 END | 29.057 |
| HIERARCH ESO ISS PBL23 START | 44.921 |
| HIERARCH ESO ISS PBL23 END | 44.943 |
| HIERARCH ESO ISS PBLA23 START | 11.2 |
| HIERARCH ESO ISS PBLA23 END | 11.6 |
| HIERARCH ESO ISS PBL24 START | 70.323 |
| HIERARCH ESO ISS PBL24 END | 70.699 |
| HIERARCH ESO ISS PBLA24 START | 50.575 |
| HIERARCH ESO ISS PBLA24 END | 51.103 |
| HIERARCH ESO ISS PBL34 START | 45.602 |
| HIERARCH ESO ISS PBL34 END | 45.976 |
| HIERARCH ESO ISS PBLA34 START | 89.26 |
| HIERARCH ESO ISS PBLA34 END | 89.545 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004142 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004157 |
| HIERARCH ESO ISS AMBI TEMP | 12.3 |
| HIERARCH ESO ISS AMBI FWHM START | 0.73 |
| HIERARCH ESO ISS AMBI FWHM END | 0.68 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1076 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5383 |