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CTIO Home > ENR CTIO Blanco 4-m 2025-08-03

ENR CTIO Blanco 4-m 2025-08-03

Date: 
Sunday, August 3, 2025
Telescope: 
CTIO Blanco 4-m
Submitter: 
Keerthi Kunnumkai
Submitter Email: 
kkunnumk@andrew.cmu.edu
Observer Support: 
Manuel Hernandez
Night Assistant: 
Claudio Aguilera
Also Present: 
Rodrigo Hinojosa
Problems: 

None.

Comments: 

Very thick cirrus all night.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Partially cloudy
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
7
2nd Quarter
Clouds: 
Partially cloudy
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
4
3rd Quarter
Clouds: 
Partially cloudy
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
6
4th Quarter
Clouds: 
Partially cloudy
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
5
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Program: 
Proposal: 
2025B-878440
Target of Oportunity: 
No
Time Observed: 
3.5
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Building a Low-z Sample of Type Ia SNe
Primary Investigator: 
Dillon Brout
Email: 
dbrout@bu.edu [1]
Institution: 
Boston University
Instrument: 
CTIO 4m DECam
Organization: 
DD
Total Program Time: 
3.5
Proposal: 
2025A-227091
Target of Oportunity: 
No
Time Observed: 
2.0
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
des GW
Primary Investigator: 
Soares-Santos
Email: 
mssantos@umich.edu [4]
Institution: 
University of Zurich
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
2
Proposal: 
2025A-110944
Target of Oportunity: 
No
Time Observed: 
4.25
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
Creating a Uniform Sample of Clusters with X-ray and SZ Measurements in the Local Universe
Primary Investigator: 
Ian Dellantonio
Email: 
ian_dellantonio@brown.edu [7]
Institution: 
Brown University
Instrument: 
CTIO 4m DECam
Organization: 
NOAO
Total Program Time: 
4.25
Proposal: 
2023B-851374
Target of Oportunity: 
No
Time Observed: 
0.75
Time Engineering: 
0.0
Time lost technical: 
0.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
GW-MMADS
Primary Investigator: 
Andreoni and Palmese
Email: 
apalmese@andrew.cmu.edu [10]
Institution: 
Carnegie Mellon University
Instrument: 
CTIO 4m DECam
Organization: 
Chile
Total Program Time: 
0.75
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2025-08-03 10.5 0.0 0.0 0.0 0.0 10.5
Source URL (modified on 08/04/2025 - 06:40): http://www.ctio.noao.edu/noao/content/ENR-CTIO-Blanco-4-m-2025-08-03

Links
[1] mailto:dbrout@bu.edu
[2] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44559/delete?destination=print/node/23030
[3] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44559/edit?destination=print/node/23030
[4] mailto:mssantos@umich.edu
[5] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44560/delete?destination=print/node/23030
[6] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44560/edit?destination=print/node/23030
[7] mailto:ian_dellantonio@brown.edu
[8] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44561/delete?destination=print/node/23030
[9] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44561/edit?destination=print/node/23030
[10] mailto:apalmese@andrew.cmu.edu
[11] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44562/delete?destination=print/node/23030
[12] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/44562/edit?destination=print/node/23030
[13] http://www.ctio.noao.edu/noao/field-collection/field-nr-prog/add/node/23030?destination=print/node/23030