Exposure
- ID
- GRAVI.2024-07-18T00:44:36.112_2
- Header ID
- GRAVI.2024-07-18T00:44:36.112
- Date updated
- 2024-07-18 06:15:25 UTC+0000
- Release date
- 2025-07-18 06:15:25 UTC+0000
- UTC Start
- 2024-07-18 00:44:36.112
- UTC End
- 2024-07-18 00:50:36.112
- MJD Start
- 60509.03097352
- MJD End
- 60509.035140186665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00818
- Ambient temperature (°C)
- 18.19
- Seeing (arcsec)
- 0.625
Observation
- ID
- 60139
- Category
- science
- Program ID
- 113.268P.004
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 43560
- Name
- IRS16C
- RA
- 266.4170833333333
- DEC
- -29.007681694444443
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 | 56.3850 | 56.4070 | 11.3000 | 12.2000 |
| U1-U3 | 101.6050 | 101.6990 | 17.0000 | 18.0000 |
| U1-U4 | 123.5590 | 124.2450 | 43.4910 | 44.6040 |
| U2-U3 | 45.8460 | 45.9320 | 24.1000 | 25.1000 |
| U2-U4 | 81.5750 | 82.3770 | 65.1000 | 66.1380 |
| U3-U4 | 55.8070 | 56.4760 | 97.7440 | 98.4310 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60509.03097352 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416896 |
| DEC | -29.00733 |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.385 |
| HIERARCH ESO ISS PBL12 END | 56.407 |
| HIERARCH ESO ISS PBLA12 START | 11.3 |
| HIERARCH ESO ISS PBLA12 END | 12.2 |
| HIERARCH ESO ISS PBL13 START | 101.605 |
| HIERARCH ESO ISS PBL13 END | 101.699 |
| HIERARCH ESO ISS PBLA13 START | 17.0 |
| HIERARCH ESO ISS PBLA13 END | 18.0 |
| HIERARCH ESO ISS PBL14 START | 123.559 |
| HIERARCH ESO ISS PBL14 END | 124.245 |
| HIERARCH ESO ISS PBLA14 START | 43.491 |
| HIERARCH ESO ISS PBLA14 END | 44.604 |
| HIERARCH ESO ISS PBL23 START | 45.846 |
| HIERARCH ESO ISS PBL23 END | 45.932 |
| HIERARCH ESO ISS PBLA23 START | 24.1 |
| HIERARCH ESO ISS PBLA23 END | 25.1 |
| HIERARCH ESO ISS PBL24 START | 81.575 |
| HIERARCH ESO ISS PBL24 END | 82.377 |
| HIERARCH ESO ISS PBLA24 START | 65.1 |
| HIERARCH ESO ISS PBLA24 END | 66.138 |
| HIERARCH ESO ISS PBL34 START | 55.807 |
| HIERARCH ESO ISS PBL34 END | 56.476 |
| HIERARCH ESO ISS PBLA34 START | 97.744 |
| HIERARCH ESO ISS PBLA34 END | 98.431 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009889 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006471 |
| HIERARCH ESO ISS AMBI TEMP | 18.19 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.68 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |